31182140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3457}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 73198944

約数和(自身を除く): 42016804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3457, 4510, 6914, 9020, 13828, 17285, 34570, 38027, 69140, 76054, 141737, 152108, 190135, 283474, 380270, 566948, 708685, 760540, 1417370, 1559107, 2834740, 3118214, 6236428, 7795535, 15591070, 31182140]

約数ペア:

[(1, 31182140), (2, 15591070), (4, 7795535), (5, 6236428), (10, 3118214), (11, 2834740), (20, 1559107), (22, 1417370), (41, 760540), (44, 708685), (55, 566948), (82, 380270), (110, 283474), (164, 190135), (205, 152108), (220, 141737), (410, 76054), (451, 69140), (820, 38027), (902, 34570), (1804, 17285), (2255, 13828), (3457, 9020), (4510, 6914)]