31183940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 38368060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 599, 685, 1198, 1370, 2396, 2603, 2740, 2995, 5206, 5990, 10412, 11381, 11980, 13015, 22762, 26030, 45524, 52060, 56905, 82063, 113810, 164126, 227620, 328252, 410315, 820630, 1559197, 1641260, 3118394, 6236788, 7795985, 15591970, 31183940]

約数ペア:

[(1, 31183940), (2, 15591970), (4, 7795985), (5, 6236788), (10, 3118394), (19, 1641260), (20, 1559197), (38, 820630), (76, 410315), (95, 328252), (137, 227620), (190, 164126), (274, 113810), (380, 82063), (548, 56905), (599, 52060), (685, 45524), (1198, 26030), (1370, 22762), (2396, 13015), (2603, 11980), (2740, 11381), (2995, 10412), (5206, 5990)]