8989420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 21319200

約数和(自身を除く): 12329780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1409, 1595, 2818, 3190, 5636, 6380, 7045, 14090, 15499, 28180, 30998, 40861, 61996, 77495, 81722, 154990, 163444, 204305, 309980, 408610, 449471, 817220, 898942, 1797884, 2247355, 4494710, 8989420]

約数ペア:

[(1, 8989420), (2, 4494710), (4, 2247355), (5, 1797884), (10, 898942), (11, 817220), (20, 449471), (22, 408610), (29, 309980), (44, 204305), (55, 163444), (58, 154990), (110, 81722), (116, 77495), (145, 61996), (220, 40861), (290, 30998), (319, 28180), (580, 15499), (638, 14090), (1276, 7045), (1409, 6380), (1595, 5636), (2818, 3190)]