31630940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 73682784

約数和(自身を除く): 42051844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2357, 2684, 3355, 4714, 6710, 9428, 11785, 13420, 23570, 25927, 47140, 51854, 103708, 129635, 143777, 259270, 287554, 518540, 575108, 718885, 1437770, 1581547, 2875540, 3163094, 6326188, 7907735, 15815470, 31630940]

約数ペア:

[(1, 31630940), (2, 15815470), (4, 7907735), (5, 6326188), (10, 3163094), (11, 2875540), (20, 1581547), (22, 1437770), (44, 718885), (55, 575108), (61, 518540), (110, 287554), (122, 259270), (220, 143777), (244, 129635), (305, 103708), (610, 51854), (671, 47140), (1220, 25927), (1342, 23570), (2357, 13420), (2684, 11785), (3355, 9428), (4714, 6710)]