231093640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{81371}}^1$

素因数の和:81453

約数の個数: 32

約数和(自身を含む): 527290560

約数和(自身を除く): 296196920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 81371, 162742, 325484, 406855, 650968, 813710, 1627420, 3254840, 5777341, 11554682, 23109364, 28886705, 46218728, 57773410, 115546820, 231093640]

約数ペア:

[(1, 231093640), (2, 115546820), (4, 57773410), (5, 46218728), (8, 28886705), (10, 23109364), (20, 11554682), (40, 5777341), (71, 3254840), (142, 1627420), (284, 813710), (355, 650968), (568, 406855), (710, 325484), (1420, 162742), (2840, 81371)]