253758920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{42577}}^1$

素因数の和:42737

約数の個数: 32

約数和(自身を含む): 574803000

約数和(自身を除く): 321044080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 42577, 85154, 170308, 212885, 340616, 425770, 851540, 1703080, 6343973, 12687946, 25375892, 31719865, 50751784, 63439730, 126879460, 253758920]

約数ペア:

[(1, 253758920), (2, 126879460), (4, 63439730), (5, 50751784), (8, 31719865), (10, 25375892), (20, 12687946), (40, 6343973), (149, 1703080), (298, 851540), (596, 425770), (745, 340616), (1192, 212885), (1490, 170308), (2980, 85154), (5960, 42577)]