201451510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{6949}}^1$

素因数の和:7192

約数の個数: 32

約数和(自身を含む): 392313600

約数和(自身を除く): 190862090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 6949, 13898, 14495, 28990, 34745, 69490, 90337, 180674, 451685, 903370, 1549627, 3099254, 7748135, 15496270, 20145151, 40290302, 100725755, 201451510]

約数ペア:

[(1, 201451510), (2, 100725755), (5, 40290302), (10, 20145151), (13, 15496270), (26, 7748135), (65, 3099254), (130, 1549627), (223, 903370), (446, 451685), (1115, 180674), (2230, 90337), (2899, 69490), (5798, 34745), (6949, 28990), (13898, 14495)]