6647788220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{14957}}^1$

素因数の和:15350

約数の個数: 48

約数和(自身を含む): 14203159488

約数和(自身を除く): 7555371268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 313, 355, 626, 710, 1252, 1420, 1565, 3130, 6260, 14957, 22223, 29914, 44446, 59828, 74785, 88892, 111115, 149570, 222230, 299140, 444460, 1061947, 2123894, 4247788, 4681541, 5309735, 9363082, 10619470, 18726164, 21238940, 23407705, 46815410, 93630820, 332389411, 664778822, 1329557644, 1661947055, 3323894110, 6647788220]

約数ペア:

[(1, 6647788220), (2, 3323894110), (4, 1661947055), (5, 1329557644), (10, 664778822), (20, 332389411), (71, 93630820), (142, 46815410), (284, 23407705), (313, 21238940), (355, 18726164), (626, 10619470), (710, 9363082), (1252, 5309735), (1420, 4681541), (1565, 4247788), (3130, 2123894), (6260, 1061947), (14957, 444460), (22223, 299140), (29914, 222230), (44446, 149570), (59828, 111115), (74785, 88892)]