204095180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{143729}}^1$

素因数の和:143809

約数の個数: 24

約数和(自身を含む): 434639520

約数和(自身を除く): 230544340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 143729, 287458, 574916, 718645, 1437290, 2874580, 10204759, 20409518, 40819036, 51023795, 102047590, 204095180]

約数ペア:

[(1, 204095180), (2, 102047590), (4, 51023795), (5, 40819036), (10, 20409518), (20, 10204759), (71, 2874580), (142, 1437290), (284, 718645), (355, 574916), (710, 287458), (1420, 143729)]