31138910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 34801570

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 47, 55, 94, 95, 110, 190, 209, 235, 317, 418, 470, 517, 634, 893, 1034, 1045, 1585, 1786, 2090, 2585, 3170, 3487, 4465, 5170, 6023, 6974, 8930, 9823, 12046, 14899, 17435, 19646, 29798, 30115, 34870, 49115, 60230, 66253, 74495, 98230, 132506, 148990, 163889, 283081, 327778, 331265, 566162, 662530, 819445, 1415405, 1638890, 2830810, 3113891, 6227782, 15569455, 31138910]

約数ペア:

[(1, 31138910), (2, 15569455), (5, 6227782), (10, 3113891), (11, 2830810), (19, 1638890), (22, 1415405), (38, 819445), (47, 662530), (55, 566162), (94, 331265), (95, 327778), (110, 283081), (190, 163889), (209, 148990), (235, 132506), (317, 98230), (418, 74495), (470, 66253), (517, 60230), (634, 49115), (893, 34870), (1034, 30115), (1045, 29798), (1585, 19646), (1786, 17435), (2090, 14899), (2585, 12046), (3170, 9823), (3487, 8930), (4465, 6974), (5170, 6023)]