171920180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{85109}}^1$

素因数の和:85219

約数の個数: 24

約数和(自身を含む): 364611240

約数和(自身を除く): 192691060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 85109, 170218, 340436, 425545, 851090, 1702180, 8596009, 17192018, 34384036, 42980045, 85960090, 171920180]

約数ペア:

[(1, 171920180), (2, 85960090), (4, 42980045), (5, 34384036), (10, 17192018), (20, 8596009), (101, 1702180), (202, 851090), (404, 425545), (505, 340436), (1010, 170218), (2020, 85109)]