655339780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{9181}}^1$

素因数の和:9316

約数の個数: 48

約数和(自身を含む): 1425340224

約数和(自身を除く): 770000444

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1660, 3569, 7138, 9181, 14276, 17845, 18362, 35690, 36724, 45905, 71380, 91810, 183620, 394783, 762023, 789566, 1524046, 1579132, 1973915, 3048092, 3810115, 3947830, 7620230, 7895660, 15240460, 32766989, 65533978, 131067956, 163834945, 327669890, 655339780]

約数ペア:

[(1, 655339780), (2, 327669890), (4, 163834945), (5, 131067956), (10, 65533978), (20, 32766989), (43, 15240460), (83, 7895660), (86, 7620230), (166, 3947830), (172, 3810115), (215, 3048092), (332, 1973915), (415, 1579132), (430, 1524046), (830, 789566), (860, 762023), (1660, 394783), (3569, 183620), (7138, 91810), (9181, 71380), (14276, 45905), (17845, 36724), (18362, 35690)]