399143030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{279121}}^1$

素因数の和:279152

約数の個数: 32

約数和(自身を含む): 844064928

約数和(自身を除く): 444921898

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 279121, 558242, 1395605, 2791210, 3070331, 3628573, 6140662, 7257146, 15351655, 18142865, 30703310, 36285730, 39914303, 79828606, 199571515, 399143030]

約数ペア:

[(1, 399143030), (2, 199571515), (5, 79828606), (10, 39914303), (11, 36285730), (13, 30703310), (22, 18142865), (26, 15351655), (55, 7257146), (65, 6140662), (110, 3628573), (130, 3070331), (143, 2791210), (286, 1395605), (715, 558242), (1430, 279121)]