68872390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 136028160

約数和(自身を除く): 67155770

約数列:

[1, 2, 5, 10, 29, 31, 47, 58, 62, 94, 145, 155, 163, 235, 290, 310, 326, 470, 815, 899, 1363, 1457, 1630, 1798, 2726, 2914, 4495, 4727, 5053, 6815, 7285, 7661, 8990, 9454, 10106, 13630, 14570, 15322, 23635, 25265, 38305, 42253, 47270, 50530, 76610, 84506, 146537, 211265, 222169, 237491, 293074, 422530, 444338, 474982, 732685, 1110845, 1187455, 1465370, 2221690, 2374910, 6887239, 13774478, 34436195, 68872390]

約数ペア:

[(1, 68872390), (2, 34436195), (5, 13774478), (10, 6887239), (29, 2374910), (31, 2221690), (47, 1465370), (58, 1187455), (62, 1110845), (94, 732685), (145, 474982), (155, 444338), (163, 422530), (235, 293074), (290, 237491), (310, 222169), (326, 211265), (470, 146537), (815, 84506), (899, 76610), (1363, 50530), (1457, 47270), (1630, 42253), (1798, 38305), (2726, 25265), (2914, 23635), (4495, 15322), (4727, 14570), (5053, 13630), (6815, 10106), (7285, 9454), (7661, 8990)]