42981980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30269}}^1$

素因数の和:30349

約数の個数: 24

約数和(自身を含む): 91536480

約数和(自身を除く): 48554500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 30269, 60538, 121076, 151345, 302690, 605380, 2149099, 4298198, 8596396, 10745495, 21490990, 42981980]

約数ペア:

[(1, 42981980), (2, 21490990), (4, 10745495), (5, 8596396), (10, 4298198), (20, 2149099), (71, 605380), (142, 302690), (284, 151345), (355, 121076), (710, 60538), (1420, 30269)]