161733220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2221}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 371802816

約数和(自身を除く): 210069596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1324, 1655, 2221, 3310, 3641, 4442, 6620, 7282, 8884, 11105, 14564, 18205, 22210, 24431, 36410, 44420, 48862, 72820, 97724, 122155, 244310, 488620, 735151, 1470302, 2940604, 3675755, 7351510, 8086661, 14703020, 16173322, 32346644, 40433305, 80866610, 161733220]

約数ペア:

[(1, 161733220), (2, 80866610), (4, 40433305), (5, 32346644), (10, 16173322), (11, 14703020), (20, 8086661), (22, 7351510), (44, 3675755), (55, 2940604), (110, 1470302), (220, 735151), (331, 488620), (662, 244310), (1324, 122155), (1655, 97724), (2221, 72820), (3310, 48862), (3641, 44420), (4442, 36410), (6620, 24431), (7282, 22210), (8884, 18205), (11105, 14564)]