627927550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2401

約数の個数: 48

約数和(自身を含む): 1199923200

約数和(自身を除く): 571995650

約数列:

[1, 2, 5, 10, 25, 50, 71, 79, 142, 158, 355, 395, 710, 790, 1775, 1975, 2239, 3550, 3950, 4478, 5609, 11195, 11218, 22390, 28045, 55975, 56090, 111950, 140225, 158969, 176881, 280450, 317938, 353762, 794845, 884405, 1589690, 1768810, 3974225, 4422025, 7948450, 8844050, 12558551, 25117102, 62792755, 125585510, 313963775, 627927550]

約数ペア:

[(1, 627927550), (2, 313963775), (5, 125585510), (10, 62792755), (25, 25117102), (50, 12558551), (71, 8844050), (79, 7948450), (142, 4422025), (158, 3974225), (355, 1768810), (395, 1589690), (710, 884405), (790, 794845), (1775, 353762), (1975, 317938), (2239, 280450), (3550, 176881), (3950, 158969), (4478, 140225), (5609, 111950), (11195, 56090), (11218, 55975), (22390, 28045)]