1234728440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2806201}}^1$

素因数の和:2806223

約数の個数: 32

約数和(自身を含む): 3030698160

約数和(自身を除く): 1795969720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2806201, 5612402, 11224804, 14031005, 22449608, 28062010, 30868211, 56124020, 61736422, 112248040, 123472844, 154341055, 246945688, 308682110, 617364220, 1234728440]

約数ペア:

[(1, 1234728440), (2, 617364220), (4, 308682110), (5, 246945688), (8, 154341055), (10, 123472844), (11, 112248040), (20, 61736422), (22, 56124020), (40, 30868211), (44, 28062010), (55, 22449608), (88, 14031005), (110, 11224804), (220, 5612402), (440, 2806201)]