4047890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 9258624

約数和(自身を除く): 5210734

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 751, 770, 1078, 1502, 2695, 3755, 5257, 5390, 7510, 8261, 10514, 16522, 26285, 36799, 41305, 52570, 57827, 73598, 82610, 115654, 183995, 289135, 367990, 404789, 578270, 809578, 2023945, 4047890]

約数ペア:

[(1, 4047890), (2, 2023945), (5, 809578), (7, 578270), (10, 404789), (11, 367990), (14, 289135), (22, 183995), (35, 115654), (49, 82610), (55, 73598), (70, 57827), (77, 52570), (98, 41305), (110, 36799), (154, 26285), (245, 16522), (385, 10514), (490, 8261), (539, 7510), (751, 5390), (770, 5257), (1078, 3755), (1502, 2695)]