201218120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{295909}}^1$

素因数の和:295937

約数の個数: 32

約数和(自身を含む): 479374200

約数和(自身を除く): 278156080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 295909, 591818, 1183636, 1479545, 2367272, 2959090, 5030453, 5918180, 10060906, 11836360, 20121812, 25152265, 40243624, 50304530, 100609060, 201218120]

約数ペア:

[(1, 201218120), (2, 100609060), (4, 50304530), (5, 40243624), (8, 25152265), (10, 20121812), (17, 11836360), (20, 10060906), (34, 5918180), (40, 5030453), (68, 2959090), (85, 2367272), (136, 1479545), (170, 1183636), (340, 591818), (680, 295909)]