172185220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{453119}}^1$

素因数の和:453147

約数の個数: 24

約数和(自身を含む): 380620800

約数和(自身を除く): 208435580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 453119, 906238, 1812476, 2265595, 4531190, 8609261, 9062380, 17218522, 34437044, 43046305, 86092610, 172185220]

約数ペア:

[(1, 172185220), (2, 86092610), (4, 43046305), (5, 34437044), (10, 17218522), (19, 9062380), (20, 8609261), (38, 4531190), (76, 2265595), (95, 1812476), (190, 906238), (380, 453119)]