12618970540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{144481}}^1$

素因数の和:144898

約数の個数: 48

約数和(自身を含む): 28981933344

約数和(自身を除く): 16362962804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 1588, 1985, 3970, 4367, 7940, 8734, 17468, 21835, 43670, 87340, 144481, 288962, 577924, 722405, 1444810, 1589291, 2889620, 3178582, 6357164, 7946455, 15892910, 31785820, 57358957, 114717914, 229435828, 286794785, 573589570, 630948527, 1147179140, 1261897054, 2523794108, 3154742635, 6309485270, 12618970540]

約数ペア:

[(1, 12618970540), (2, 6309485270), (4, 3154742635), (5, 2523794108), (10, 1261897054), (11, 1147179140), (20, 630948527), (22, 573589570), (44, 286794785), (55, 229435828), (110, 114717914), (220, 57358957), (397, 31785820), (794, 15892910), (1588, 7946455), (1985, 6357164), (3970, 3178582), (4367, 2889620), (7940, 1589291), (8734, 1444810), (17468, 722405), (21835, 577924), (43670, 288962), (87340, 144481)]