400565565700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{10151}}^1\times {\mathrm{3907}}^1$

素因数の和:14173

約数の個数: 72

約数和(自身を含む): 878144670144

約数和(自身を除く): 477579104444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 3907, 5050, 7814, 10100, 10151, 15628, 19535, 20302, 39070, 40604, 50755, 78140, 97675, 101510, 195350, 203020, 253775, 390700, 394607, 507550, 789214, 1015100, 1025251, 1578428, 1973035, 2050502, 3946070, 4101004, 5126255, 7892140, 9865175, 10252510, 19730350, 20505020, 25631275, 39460700, 39659957, 51262550, 79319914, 102525100, 158639828, 198299785, 396599570, 793199140, 991498925, 1982997850, 3965995700, 4005655657, 8011311314, 16022622628, 20028278285, 40056556570, 80113113140, 100141391425, 200282782850, 400565565700]

約数ペア:

[(1, 400565565700), (2, 200282782850), (4, 100141391425), (5, 80113113140), (10, 40056556570), (20, 20028278285), (25, 16022622628), (50, 8011311314), (100, 4005655657), (101, 3965995700), (202, 1982997850), (404, 991498925), (505, 793199140), (1010, 396599570), (2020, 198299785), (2525, 158639828), (3907, 102525100), (5050, 79319914), (7814, 51262550), (10100, 39659957), (10151, 39460700), (15628, 25631275), (19535, 20505020), (20302, 19730350), (39070, 10252510), (40604, 9865175), (50755, 7892140), (78140, 5126255), (97675, 4101004), (101510, 3946070), (195350, 2050502), (203020, 1973035), (253775, 1578428), (390700, 1025251), (394607, 1015100), (507550, 789214)]