664360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 1584360

約数和(自身を除く): 920000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 977, 1954, 3908, 4885, 7816, 9770, 16609, 19540, 33218, 39080, 66436, 83045, 132872, 166090, 332180, 664360]

約数ペア:

[(1, 664360), (2, 332180), (4, 166090), (5, 132872), (8, 83045), (10, 66436), (17, 39080), (20, 33218), (34, 19540), (40, 16609), (68, 9770), (85, 7816), (136, 4885), (170, 3908), (340, 1954), (680, 977)]