120620180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{98869}}^1$

素因数の和:98939

約数の個数: 24

約数和(自身を含む): 257457480

約数和(自身を除く): 136837300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 98869, 197738, 395476, 494345, 988690, 1977380, 6031009, 12062018, 24124036, 30155045, 60310090, 120620180]

約数ペア:

[(1, 120620180), (2, 60310090), (4, 30155045), (5, 24124036), (10, 12062018), (20, 6031009), (61, 1977380), (122, 988690), (244, 494345), (305, 395476), (610, 197738), (1220, 98869)]