77698850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 150258240

約数和(自身を除く): 72559390

約数列:

[1, 2, 5, 10, 25, 43, 50, 71, 86, 142, 215, 355, 430, 509, 710, 1018, 1075, 1775, 2150, 2545, 3053, 3550, 5090, 6106, 12725, 15265, 21887, 25450, 30530, 36139, 43774, 72278, 76325, 109435, 152650, 180695, 218870, 361390, 547175, 903475, 1094350, 1553977, 1806950, 3107954, 7769885, 15539770, 38849425, 77698850]

約数ペア:

[(1, 77698850), (2, 38849425), (5, 15539770), (10, 7769885), (25, 3107954), (43, 1806950), (50, 1553977), (71, 1094350), (86, 903475), (142, 547175), (215, 361390), (355, 218870), (430, 180695), (509, 152650), (710, 109435), (1018, 76325), (1075, 72278), (1775, 43774), (2150, 36139), (2545, 30530), (3053, 25450), (3550, 21887), (5090, 15265), (6106, 12725)]