247078480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280771}}^1$

素因数の和:280795

約数の個数: 40

約数和(自身を含む): 626683104

約数和(自身を除く): 379604624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 280771, 561542, 1123084, 1403855, 2246168, 2807710, 3088481, 4492336, 5615420, 6176962, 11230840, 12353924, 15442405, 22461680, 24707848, 30884810, 49415696, 61769620, 123539240, 247078480]

約数ペア:

[(1, 247078480), (2, 123539240), (4, 61769620), (5, 49415696), (8, 30884810), (10, 24707848), (11, 22461680), (16, 15442405), (20, 12353924), (22, 11230840), (40, 6176962), (44, 5615420), (55, 4492336), (80, 3088481), (88, 2807710), (110, 2246168), (176, 1403855), (220, 1123084), (440, 561542), (880, 280771)]