70298920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4297}}^1$

素因数の和:4717

約数の個数: 32

約数和(自身を含む): 158596200

約数和(自身を除く): 88297280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 4297, 8180, 8594, 16360, 17188, 21485, 34376, 42970, 85940, 171880, 1757473, 3514946, 7029892, 8787365, 14059784, 17574730, 35149460, 70298920]

約数ペア:

[(1, 70298920), (2, 35149460), (4, 17574730), (5, 14059784), (8, 8787365), (10, 7029892), (20, 3514946), (40, 1757473), (409, 171880), (818, 85940), (1636, 42970), (2045, 34376), (3272, 21485), (4090, 17188), (4297, 16360), (8180, 8594)]