313140920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{252533}}^1$

素因数の和:252575

約数の個数: 32

約数和(自身を含む): 727297920

約数和(自身を除く): 414157000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 252533, 505066, 1010132, 1262665, 2020264, 2525330, 5050660, 7828523, 10101320, 15657046, 31314092, 39142615, 62628184, 78285230, 156570460, 313140920]

約数ペア:

[(1, 313140920), (2, 156570460), (4, 78285230), (5, 62628184), (8, 39142615), (10, 31314092), (20, 15657046), (31, 10101320), (40, 7828523), (62, 5050660), (124, 2525330), (155, 2020264), (248, 1262665), (310, 1010132), (620, 505066), (1240, 252533)]