388225870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1549}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 711115200

約数和(自身を除く): 322889330

約数列:

[1, 2, 5, 10, 71, 142, 353, 355, 706, 710, 1549, 1765, 3098, 3530, 7745, 15490, 25063, 50126, 109979, 125315, 219958, 250630, 546797, 549895, 1093594, 1099790, 2733985, 5467970, 38822587, 77645174, 194112935, 388225870]

約数ペア:

[(1, 388225870), (2, 194112935), (5, 77645174), (10, 38822587), (71, 5467970), (142, 2733985), (353, 1099790), (355, 1093594), (706, 549895), (710, 546797), (1549, 250630), (1765, 219958), (3098, 125315), (3530, 109979), (7745, 50126), (15490, 25063)]