1915144880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2176301}}^1$

素因数の和:2176325

約数の個数: 40

約数和(自身を含む): 4857506064

約数和(自身を除く): 2942361184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2176301, 4352602, 8705204, 10881505, 17410408, 21763010, 23939311, 34820816, 43526020, 47878622, 87052040, 95757244, 119696555, 174104080, 191514488, 239393110, 383028976, 478786220, 957572440, 1915144880]

約数ペア:

[(1, 1915144880), (2, 957572440), (4, 478786220), (5, 383028976), (8, 239393110), (10, 191514488), (11, 174104080), (16, 119696555), (20, 95757244), (22, 87052040), (40, 47878622), (44, 43526020), (55, 34820816), (80, 23939311), (88, 21763010), (110, 17410408), (176, 10881505), (220, 8705204), (440, 4352602), (880, 2176301)]