389942800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 1084930560

約数和(自身を除く): 694987760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 41, 50, 52, 59, 62, 65, 80, 82, 100, 104, 118, 124, 130, 155, 164, 200, 205, 208, 236, 248, 260, 295, 310, 325, 328, 400, 403, 410, 472, 496, 520, 533, 590, 620, 650, 656, 767, 775, 806, 820, 944, 1025, 1040, 1066, 1180, 1240, 1271, 1300, 1475, 1534, 1550, 1612, 1640, 1829, 2015, 2050, 2132, 2360, 2419, 2480, 2542, 2600, 2665, 2950, 3068, 3100, 3224, 3280, 3658, 3835, 4030, 4100, 4264, 4720, 4838, 5084, 5200, 5330, 5900, 6136, 6200, 6355, 6448, 7316, 7670, 8060, 8200, 8528, 9145, 9676, 10075, 10168, 10660, 11800, 12095, 12272, 12400, 12710, 13325, 14632, 15340, 16120, 16400, 16523, 18290, 19175, 19352, 20150, 20336, 21320, 23600, 23777, 24190, 25420, 26650, 29264, 30680, 31447, 31775, 32240, 33046, 36580, 38350, 38704, 40300, 42640, 45725, 47554, 48380, 50840, 53300, 60475, 61360, 62894, 63550, 66092, 73160, 74989, 76700, 80600, 82615, 91450, 95108, 96760, 101680, 106600, 118885, 120950, 125788, 127100, 132184, 146320, 149978, 153400, 157235, 161200, 165230, 182900, 190216, 193520, 213200, 237770, 241900, 251576, 254200, 264368, 299956, 306800, 314470, 330460, 365800, 374945, 380432, 413075, 475540, 483800, 503152, 508400, 594425, 599912, 628940, 660920, 731600, 749890, 786175, 826150, 951080, 967600, 974857, 1188850, 1199824, 1257880, 1321840, 1499780, 1572350, 1652300, 1874725, 1902160, 1949714, 2377700, 2515760, 2999560, 3144700, 3304600, 3749450, 3899428, 4755400, 4874285, 5999120, 6289400, 6609200, 7498900, 7798856, 9510800, 9748570, 12578800, 14997800, 15597712, 19497140, 24371425, 29995600, 38994280, 48742850, 77988560, 97485700, 194971400, 389942800]

約数ペア:

[(1, 389942800), (2, 194971400), (4, 97485700), (5, 77988560), (8, 48742850), (10, 38994280), (13, 29995600), (16, 24371425), (20, 19497140), (25, 15597712), (26, 14997800), (31, 12578800), (40, 9748570), (41, 9510800), (50, 7798856), (52, 7498900), (59, 6609200), (62, 6289400), (65, 5999120), (80, 4874285), (82, 4755400), (100, 3899428), (104, 3749450), (118, 3304600), (124, 3144700), (130, 2999560), (155, 2515760), (164, 2377700), (200, 1949714), (205, 1902160), (208, 1874725), (236, 1652300), (248, 1572350), (260, 1499780), (295, 1321840), (310, 1257880), (325, 1199824), (328, 1188850), (400, 974857), (403, 967600), (410, 951080), (472, 826150), (496, 786175), (520, 749890), (533, 731600), (590, 660920), (620, 628940), (650, 599912), (656, 594425), (767, 508400), (775, 503152), (806, 483800), (820, 475540), (944, 413075), (1025, 380432), (1040, 374945), (1066, 365800), (1180, 330460), (1240, 314470), (1271, 306800), (1300, 299956), (1475, 264368), (1534, 254200), (1550, 251576), (1612, 241900), (1640, 237770), (1829, 213200), (2015, 193520), (2050, 190216), (2132, 182900), (2360, 165230), (2419, 161200), (2480, 157235), (2542, 153400), (2600, 149978), (2665, 146320), (2950, 132184), (3068, 127100), (3100, 125788), (3224, 120950), (3280, 118885), (3658, 106600), (3835, 101680), (4030, 96760), (4100, 95108), (4264, 91450), (4720, 82615), (4838, 80600), (5084, 76700), (5200, 74989), (5330, 73160), (5900, 66092), (6136, 63550), (6200, 62894), (6355, 61360), (6448, 60475), (7316, 53300), (7670, 50840), (8060, 48380), (8200, 47554), (8528, 45725), (9145, 42640), (9676, 40300), (10075, 38704), (10168, 38350), (10660, 36580), (11800, 33046), (12095, 32240), (12272, 31775), (12400, 31447), (12710, 30680), (13325, 29264), (14632, 26650), (15340, 25420), (16120, 24190), (16400, 23777), (16523, 23600), (18290, 21320), (19175, 20336), (19352, 20150)]