49491940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 109089792

約数和(自身を除く): 59597852

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 740, 940, 1423, 1739, 2846, 3478, 5692, 6956, 7115, 8695, 14230, 17390, 28460, 34780, 52651, 66881, 105302, 133762, 210604, 263255, 267524, 334405, 526510, 668810, 1053020, 1337620, 2474597, 4949194, 9898388, 12372985, 24745970, 49491940]

約数ペア:

[(1, 49491940), (2, 24745970), (4, 12372985), (5, 9898388), (10, 4949194), (20, 2474597), (37, 1337620), (47, 1053020), (74, 668810), (94, 526510), (148, 334405), (185, 267524), (188, 263255), (235, 210604), (370, 133762), (470, 105302), (740, 66881), (940, 52651), (1423, 34780), (1739, 28460), (2846, 17390), (3478, 14230), (5692, 8695), (6956, 7115)]