388489920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4487

約数の個数: 224

約数和(自身を含む): 1518440448

約数和(自身を除く): 1129950528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2240, 2496, 2730, 2912, 3120, 3360, 3640, 4160, 4368, 4447, 5460, 5824, 6240, 6720, 7280, 8736, 8894, 10920, 12480, 13341, 14560, 17472, 17788, 21840, 22235, 26682, 29120, 31129, 35576, 43680, 44470, 53364, 57811, 62258, 66705, 71152, 87360, 88940, 93387, 106728, 115622, 124516, 133410, 142304, 155645, 173433, 177880, 186774, 213456, 231244, 249032, 266820, 284608, 289055, 311290, 346866, 355760, 373548, 404677, 426912, 462488, 466935, 498064, 533640, 578110, 622580, 693732, 711520, 747096, 809354, 853824, 867165, 924976, 933870, 996128, 1067280, 1156220, 1214031, 1245160, 1387464, 1423040, 1494192, 1618708, 1734330, 1849952, 1867740, 1992256, 2023385, 2134560, 2312440, 2428062, 2490320, 2774928, 2988384, 3237416, 3468660, 3699904, 3735480, 4046770, 4269120, 4624880, 4856124, 4980640, 5549856, 5976768, 6070155, 6474832, 6937320, 7470960, 8093540, 9249760, 9712248, 9961280, 11099712, 12140310, 12949664, 13874640, 14941920, 16187080, 18499520, 19424496, 24280620, 25899328, 27749280, 29883840, 32374160, 38848992, 48561240, 55498560, 64748320, 77697984, 97122480, 129496640, 194244960, 388489920]

約数ペア:

[(1, 388489920), (2, 194244960), (3, 129496640), (4, 97122480), (5, 77697984), (6, 64748320), (7, 55498560), (8, 48561240), (10, 38848992), (12, 32374160), (13, 29883840), (14, 27749280), (15, 25899328), (16, 24280620), (20, 19424496), (21, 18499520), (24, 16187080), (26, 14941920), (28, 13874640), (30, 12949664), (32, 12140310), (35, 11099712), (39, 9961280), (40, 9712248), (42, 9249760), (48, 8093540), (52, 7470960), (56, 6937320), (60, 6474832), (64, 6070155), (65, 5976768), (70, 5549856), (78, 4980640), (80, 4856124), (84, 4624880), (91, 4269120), (96, 4046770), (104, 3735480), (105, 3699904), (112, 3468660), (120, 3237416), (130, 2988384), (140, 2774928), (156, 2490320), (160, 2428062), (168, 2312440), (182, 2134560), (192, 2023385), (195, 1992256), (208, 1867740), (210, 1849952), (224, 1734330), (240, 1618708), (260, 1494192), (273, 1423040), (280, 1387464), (312, 1245160), (320, 1214031), (336, 1156220), (364, 1067280), (390, 996128), (416, 933870), (420, 924976), (448, 867165), (455, 853824), (480, 809354), (520, 747096), (546, 711520), (560, 693732), (624, 622580), (672, 578110), (728, 533640), (780, 498064), (832, 466935), (840, 462488), (910, 426912), (960, 404677), (1040, 373548), (1092, 355760), (1120, 346866), (1248, 311290), (1344, 289055), (1365, 284608), (1456, 266820), (1560, 249032), (1680, 231244), (1820, 213456), (2080, 186774), (2184, 177880), (2240, 173433), (2496, 155645), (2730, 142304), (2912, 133410), (3120, 124516), (3360, 115622), (3640, 106728), (4160, 93387), (4368, 88940), (4447, 87360), (5460, 71152), (5824, 66705), (6240, 62258), (6720, 57811), (7280, 53364), (8736, 44470), (8894, 43680), (10920, 35576), (12480, 31129), (13341, 29120), (14560, 26682), (17472, 22235), (17788, 21840)]