85284620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{28619}}^1$

素因数の和:28777

約数の個数: 24

約数和(自身を含む): 180306000

約数和(自身を除く): 95021380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 28619, 57238, 114476, 143095, 286190, 572380, 4264231, 8528462, 17056924, 21321155, 42642310, 85284620]

約数ペア:

[(1, 85284620), (2, 42642310), (4, 21321155), (5, 17056924), (10, 8528462), (20, 4264231), (149, 572380), (298, 286190), (596, 143095), (745, 114476), (1490, 57238), (2980, 28619)]