154440620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{108761}}^1$

素因数の和:108841

約数の個数: 24

約数和(自身を含む): 328896288

約数和(自身を除く): 174455668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 108761, 217522, 435044, 543805, 1087610, 2175220, 7722031, 15444062, 30888124, 38610155, 77220310, 154440620]

約数ペア:

[(1, 154440620), (2, 77220310), (4, 38610155), (5, 30888124), (10, 15444062), (20, 7722031), (71, 2175220), (142, 1087610), (284, 543805), (355, 435044), (710, 217522), (1420, 108761)]