31465060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 72938880

約数和(自身を除く): 41473820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1607, 1780, 1958, 3214, 3916, 4895, 6428, 8035, 9790, 16070, 17677, 19580, 32140, 35354, 70708, 88385, 143023, 176770, 286046, 353540, 572092, 715115, 1430230, 1573253, 2860460, 3146506, 6293012, 7866265, 15732530, 31465060]

約数ペア:

[(1, 31465060), (2, 15732530), (4, 7866265), (5, 6293012), (10, 3146506), (11, 2860460), (20, 1573253), (22, 1430230), (44, 715115), (55, 572092), (89, 353540), (110, 286046), (178, 176770), (220, 143023), (356, 88385), (445, 70708), (890, 35354), (979, 32140), (1607, 19580), (1780, 17677), (1958, 16070), (3214, 9790), (3916, 8035), (4895, 6428)]