1900019640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223007}}^1$

素因数の和:223092

約数の個数: 64

約数和(自身を含む): 5780367360

約数和(自身を除く): 3880347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 223007, 446014, 669021, 892028, 1115035, 1338042, 1784056, 2230070, 2676084, 3345105, 4460140, 5352168, 6690210, 8920280, 13380420, 15833497, 26760840, 31666994, 47500491, 63333988, 79167485, 95000982, 126667976, 158334970, 190001964, 237502455, 316669940, 380003928, 475004910, 633339880, 950009820, 1900019640]

約数ペア:

[(1, 1900019640), (2, 950009820), (3, 633339880), (4, 475004910), (5, 380003928), (6, 316669940), (8, 237502455), (10, 190001964), (12, 158334970), (15, 126667976), (20, 95000982), (24, 79167485), (30, 63333988), (40, 47500491), (60, 31666994), (71, 26760840), (120, 15833497), (142, 13380420), (213, 8920280), (284, 6690210), (355, 5352168), (426, 4460140), (568, 3345105), (710, 2676084), (852, 2230070), (1065, 1784056), (1420, 1338042), (1704, 1115035), (2130, 892028), (2840, 669021), (4260, 446014), (8520, 223007)]