31143970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 37077470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 715, 751, 754, 1430, 1502, 1595, 1885, 3190, 3755, 3770, 4147, 7510, 8261, 8294, 9763, 16522, 19526, 20735, 21779, 41305, 41470, 43558, 48815, 82610, 97630, 107393, 108895, 214786, 217790, 239569, 283127, 479138, 536965, 566254, 1073930, 1197845, 1415635, 2395690, 2831270, 3114397, 6228794, 15571985, 31143970]

約数ペア:

[(1, 31143970), (2, 15571985), (5, 6228794), (10, 3114397), (11, 2831270), (13, 2395690), (22, 1415635), (26, 1197845), (29, 1073930), (55, 566254), (58, 536965), (65, 479138), (110, 283127), (130, 239569), (143, 217790), (145, 214786), (286, 108895), (290, 107393), (319, 97630), (377, 82610), (638, 48815), (715, 43558), (751, 41470), (754, 41305), (1430, 21779), (1502, 20735), (1595, 19526), (1885, 16522), (3190, 9763), (3755, 8294), (3770, 8261), (4147, 7510)]