397672020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2209289}}^1$

素因数の和:2209304

約数の個数: 36

約数和(自身を含む): 1206272340

約数和(自身を除く): 808600320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2209289, 4418578, 6627867, 8837156, 11046445, 13255734, 19883601, 22092890, 26511468, 33139335, 39767202, 44185780, 66278670, 79534404, 99418005, 132557340, 198836010, 397672020]

約数ペア:

[(1, 397672020), (2, 198836010), (3, 132557340), (4, 99418005), (5, 79534404), (6, 66278670), (9, 44185780), (10, 39767202), (12, 33139335), (15, 26511468), (18, 22092890), (20, 19883601), (30, 13255734), (36, 11046445), (45, 8837156), (60, 6627867), (90, 4418578), (180, 2209289)]