9909020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 23048928

約数和(自身を除く): 13139908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 617, 730, 803, 1234, 1460, 1606, 2468, 3085, 3212, 4015, 6170, 6787, 8030, 12340, 13574, 16060, 27148, 33935, 45041, 67870, 90082, 135740, 180164, 225205, 450410, 495451, 900820, 990902, 1981804, 2477255, 4954510, 9909020]

約数ペア:

[(1, 9909020), (2, 4954510), (4, 2477255), (5, 1981804), (10, 990902), (11, 900820), (20, 495451), (22, 450410), (44, 225205), (55, 180164), (73, 135740), (110, 90082), (146, 67870), (220, 45041), (292, 33935), (365, 27148), (617, 16060), (730, 13574), (803, 12340), (1234, 8030), (1460, 6787), (1606, 6170), (2468, 4015), (3085, 3212)]