85087940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4079}}^1$

素因数の和:4244

約数の個数: 48

約数和(自身を含む): 205632000

約数和(自身を除く): 120544060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4079, 4172, 5215, 8158, 10430, 16316, 20395, 20860, 28553, 40790, 57106, 81580, 114212, 142765, 285530, 571060, 607771, 1215542, 2431084, 3038855, 4254397, 6077710, 8508794, 12155420, 17017588, 21271985, 42543970, 85087940]

約数ペア:

[(1, 85087940), (2, 42543970), (4, 21271985), (5, 17017588), (7, 12155420), (10, 8508794), (14, 6077710), (20, 4254397), (28, 3038855), (35, 2431084), (70, 1215542), (140, 607771), (149, 571060), (298, 285530), (596, 142765), (745, 114212), (1043, 81580), (1490, 57106), (2086, 40790), (2980, 28553), (4079, 20860), (4172, 20395), (5215, 16316), (8158, 10430)]