31313260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 72122400

約数和(自身を除く): 40809140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 449, 634, 898, 1268, 1585, 1796, 2245, 3170, 3487, 4490, 4939, 6340, 6974, 8980, 9878, 13948, 17435, 19756, 24695, 34870, 49390, 69740, 98780, 142333, 284666, 569332, 711665, 1423330, 1565663, 2846660, 3131326, 6262652, 7828315, 15656630, 31313260]

約数ペア:

[(1, 31313260), (2, 15656630), (4, 7828315), (5, 6262652), (10, 3131326), (11, 2846660), (20, 1565663), (22, 1423330), (44, 711665), (55, 569332), (110, 284666), (220, 142333), (317, 98780), (449, 69740), (634, 49390), (898, 34870), (1268, 24695), (1585, 19756), (1796, 17435), (2245, 13948), (3170, 9878), (3487, 8980), (4490, 6974), (4939, 6340)]