420156530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{11083}}^1$

素因数の和:11330

約数の個数: 32

約数和(自身を含む): 804432384

約数和(自身を除く): 384275854

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 1115, 2230, 3791, 7582, 11083, 18955, 22166, 37910, 55415, 110830, 188411, 376822, 942055, 1884110, 2471509, 4943018, 12357545, 24715090, 42015653, 84031306, 210078265, 420156530]

約数ペア:

[(1, 420156530), (2, 210078265), (5, 84031306), (10, 42015653), (17, 24715090), (34, 12357545), (85, 4943018), (170, 2471509), (223, 1884110), (446, 942055), (1115, 376822), (2230, 188411), (3791, 110830), (7582, 55415), (11083, 37910), (18955, 22166)]