7651940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 9282460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 167, 290, 316, 334, 395, 580, 668, 790, 835, 1580, 1670, 2291, 3340, 4582, 4843, 9164, 9686, 11455, 13193, 19372, 22910, 24215, 26386, 45820, 48430, 52772, 65965, 96860, 131930, 263860, 382597, 765194, 1530388, 1912985, 3825970, 7651940]

約数ペア:

[(1, 7651940), (2, 3825970), (4, 1912985), (5, 1530388), (10, 765194), (20, 382597), (29, 263860), (58, 131930), (79, 96860), (116, 65965), (145, 52772), (158, 48430), (167, 45820), (290, 26386), (316, 24215), (334, 22910), (395, 19372), (580, 13193), (668, 11455), (790, 9686), (835, 9164), (1580, 4843), (1670, 4582), (2291, 3340)]