886290460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{138917}}^1$

素因数の和:138966

約数の個数: 48

約数和(自身を含む): 2100440160

約数和(自身を除く): 1214149700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 138917, 277834, 555668, 694585, 1389170, 1528087, 2778340, 3056174, 4028593, 6112348, 7640435, 8057186, 15280870, 16114372, 20142965, 30561740, 40285930, 44314523, 80571860, 88629046, 177258092, 221572615, 443145230, 886290460]

約数ペア:

[(1, 886290460), (2, 443145230), (4, 221572615), (5, 177258092), (10, 88629046), (11, 80571860), (20, 44314523), (22, 40285930), (29, 30561740), (44, 20142965), (55, 16114372), (58, 15280870), (110, 8057186), (116, 7640435), (145, 6112348), (220, 4028593), (290, 3056174), (319, 2778340), (580, 1528087), (638, 1389170), (1276, 694585), (1595, 555668), (3190, 277834), (6380, 138917)]