249514840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{11321}}^1$

素因数の和:11380

約数の個数: 64

約数和(自身を含む): 611388000

約数和(自身を除く): 361873160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 11020, 11321, 22040, 22642, 45284, 56605, 90568, 113210, 215099, 226420, 328309, 430198, 452840, 656618, 860396, 1075495, 1313236, 1641545, 1720792, 2150990, 2626472, 3283090, 4301980, 6237871, 6566180, 8603960, 12475742, 13132360, 24951484, 31189355, 49902968, 62378710, 124757420, 249514840]

約数ペア:

[(1, 249514840), (2, 124757420), (4, 62378710), (5, 49902968), (8, 31189355), (10, 24951484), (19, 13132360), (20, 12475742), (29, 8603960), (38, 6566180), (40, 6237871), (58, 4301980), (76, 3283090), (95, 2626472), (116, 2150990), (145, 1720792), (152, 1641545), (190, 1313236), (232, 1075495), (290, 860396), (380, 656618), (551, 452840), (580, 430198), (760, 328309), (1102, 226420), (1160, 215099), (2204, 113210), (2755, 90568), (4408, 56605), (5510, 45284), (11020, 22642), (11321, 22040)]