31122410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 66146220

約数和(自身を除く): 35023810

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 121, 170, 178, 187, 242, 289, 374, 445, 578, 605, 890, 935, 979, 1210, 1445, 1513, 1870, 1958, 2057, 2890, 3026, 3179, 4114, 4895, 6358, 7565, 9790, 10285, 10769, 15130, 15895, 16643, 20570, 21538, 25721, 31790, 33286, 34969, 51442, 53845, 69938, 83215, 107690, 128605, 166430, 174845, 183073, 257210, 282931, 349690, 366146, 565862, 915365, 1414655, 1830730, 2829310, 3112241, 6224482, 15561205, 31122410]

約数ペア:

[(1, 31122410), (2, 15561205), (5, 6224482), (10, 3112241), (11, 2829310), (17, 1830730), (22, 1414655), (34, 915365), (55, 565862), (85, 366146), (89, 349690), (110, 282931), (121, 257210), (170, 183073), (178, 174845), (187, 166430), (242, 128605), (289, 107690), (374, 83215), (445, 69938), (578, 53845), (605, 51442), (890, 34969), (935, 33286), (979, 31790), (1210, 25721), (1445, 21538), (1513, 20570), (1870, 16643), (1958, 15895), (2057, 15130), (2890, 10769), (3026, 10285), (3179, 9790), (4114, 7565), (4895, 6358)]