2001009920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 288

約数和(自身を含む): 6057434880

約数和(自身を除く): 4056424960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 91, 104, 112, 128, 130, 140, 160, 164, 182, 205, 208, 224, 256, 260, 280, 287, 320, 328, 364, 410, 416, 419, 448, 455, 520, 533, 560, 574, 640, 656, 728, 820, 832, 838, 896, 910, 1040, 1066, 1120, 1148, 1280, 1312, 1435, 1456, 1640, 1664, 1676, 1792, 1820, 2080, 2095, 2132, 2240, 2296, 2624, 2665, 2870, 2912, 2933, 3280, 3328, 3352, 3640, 3731, 4160, 4190, 4264, 4480, 4592, 5248, 5330, 5447, 5740, 5824, 5866, 6560, 6704, 7280, 7462, 8320, 8380, 8528, 8960, 9184, 10496, 10660, 10894, 11480, 11648, 11732, 13120, 13408, 14560, 14665, 14924, 16640, 16760, 17056, 17179, 18368, 18655, 21320, 21788, 22960, 23296, 23464, 26240, 26816, 27235, 29120, 29330, 29848, 33520, 34112, 34358, 36736, 37310, 38129, 42640, 43576, 45920, 46928, 52480, 53632, 54470, 58240, 58660, 59696, 67040, 68224, 68716, 73472, 74620, 76258, 85280, 85895, 87152, 91840, 93856, 107264, 108940, 116480, 117320, 119392, 120253, 134080, 136448, 137432, 149240, 152516, 170560, 171790, 174304, 183680, 187712, 190645, 217880, 223327, 234640, 238784, 240506, 268160, 274864, 298480, 305032, 341120, 343580, 348608, 367360, 375424, 381290, 435760, 446654, 469280, 477568, 481012, 536320, 549728, 596960, 601265, 610064, 682240, 687160, 697216, 750848, 762580, 871520, 893308, 938560, 955136, 962024, 1099456, 1116635, 1193920, 1202530, 1220128, 1374320, 1394432, 1525160, 1563289, 1743040, 1786616, 1877120, 1924048, 2198912, 2233270, 2387840, 2405060, 2440256, 2748640, 3050320, 3126578, 3486080, 3573232, 3754240, 3848096, 4397824, 4466540, 4775680, 4810120, 4880512, 5497280, 6100640, 6253156, 6972160, 7146464, 7696192, 7816445, 8933080, 9620240, 9761024, 10994560, 12201280, 12506312, 14292928, 15392384, 15632890, 17866160, 19240480, 21989120, 24402560, 25012624, 28585856, 30784768, 31265780, 35732320, 38480960, 48805120, 50025248, 57171712, 62531560, 71464640, 76961920, 100050496, 125063120, 142929280, 153923840, 200100992, 250126240, 285858560, 400201984, 500252480, 1000504960, 2001009920]

約数ペア:

[(1, 2001009920), (2, 1000504960), (4, 500252480), (5, 400201984), (7, 285858560), (8, 250126240), (10, 200100992), (13, 153923840), (14, 142929280), (16, 125063120), (20, 100050496), (26, 76961920), (28, 71464640), (32, 62531560), (35, 57171712), (40, 50025248), (41, 48805120), (52, 38480960), (56, 35732320), (64, 31265780), (65, 30784768), (70, 28585856), (80, 25012624), (82, 24402560), (91, 21989120), (104, 19240480), (112, 17866160), (128, 15632890), (130, 15392384), (140, 14292928), (160, 12506312), (164, 12201280), (182, 10994560), (205, 9761024), (208, 9620240), (224, 8933080), (256, 7816445), (260, 7696192), (280, 7146464), (287, 6972160), (320, 6253156), (328, 6100640), (364, 5497280), (410, 4880512), (416, 4810120), (419, 4775680), (448, 4466540), (455, 4397824), (520, 3848096), (533, 3754240), (560, 3573232), (574, 3486080), (640, 3126578), (656, 3050320), (728, 2748640), (820, 2440256), (832, 2405060), (838, 2387840), (896, 2233270), (910, 2198912), (1040, 1924048), (1066, 1877120), (1120, 1786616), (1148, 1743040), (1280, 1563289), (1312, 1525160), (1435, 1394432), (1456, 1374320), (1640, 1220128), (1664, 1202530), (1676, 1193920), (1792, 1116635), (1820, 1099456), (2080, 962024), (2095, 955136), (2132, 938560), (2240, 893308), (2296, 871520), (2624, 762580), (2665, 750848), (2870, 697216), (2912, 687160), (2933, 682240), (3280, 610064), (3328, 601265), (3352, 596960), (3640, 549728), (3731, 536320), (4160, 481012), (4190, 477568), (4264, 469280), (4480, 446654), (4592, 435760), (5248, 381290), (5330, 375424), (5447, 367360), (5740, 348608), (5824, 343580), (5866, 341120), (6560, 305032), (6704, 298480), (7280, 274864), (7462, 268160), (8320, 240506), (8380, 238784), (8528, 234640), (8960, 223327), (9184, 217880), (10496, 190645), (10660, 187712), (10894, 183680), (11480, 174304), (11648, 171790), (11732, 170560), (13120, 152516), (13408, 149240), (14560, 137432), (14665, 136448), (14924, 134080), (16640, 120253), (16760, 119392), (17056, 117320), (17179, 116480), (18368, 108940), (18655, 107264), (21320, 93856), (21788, 91840), (22960, 87152), (23296, 85895), (23464, 85280), (26240, 76258), (26816, 74620), (27235, 73472), (29120, 68716), (29330, 68224), (29848, 67040), (33520, 59696), (34112, 58660), (34358, 58240), (36736, 54470), (37310, 53632), (38129, 52480), (42640, 46928), (43576, 45920)]