31503340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{143197}}^1$

素因数の和:143217

約数の個数: 24

約数和(自身を含む): 72171792

約数和(自身を除く): 40668452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 143197, 286394, 572788, 715985, 1431970, 1575167, 2863940, 3150334, 6300668, 7875835, 15751670, 31503340]

約数ペア:

[(1, 31503340), (2, 15751670), (4, 7875835), (5, 6300668), (10, 3150334), (11, 2863940), (20, 1575167), (22, 1431970), (44, 715985), (55, 572788), (110, 286394), (220, 143197)]