201838990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{1279}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 373063680

約数和(自身を除く): 171224690

約数列:

[1, 2, 5, 10, 43, 86, 215, 367, 430, 734, 1279, 1835, 2558, 3670, 6395, 12790, 15781, 31562, 54997, 78905, 109994, 157810, 274985, 469393, 549970, 938786, 2346965, 4693930, 20183899, 40367798, 100919495, 201838990]

約数ペア:

[(1, 201838990), (2, 100919495), (5, 40367798), (10, 20183899), (43, 4693930), (86, 2346965), (215, 938786), (367, 549970), (430, 469393), (734, 274985), (1279, 157810), (1835, 109994), (2558, 78905), (3670, 54997), (6395, 31562), (12790, 15781)]