85720290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9887}}^1$

素因数の和:9931

約数の個数: 48

約数和(自身を含む): 218564352

約数和(自身を除く): 132844062

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2890, 4335, 8670, 9887, 19774, 29661, 49435, 59322, 98870, 148305, 168079, 296610, 336158, 504237, 840395, 1008474, 1680790, 2521185, 2857343, 5042370, 5714686, 8572029, 14286715, 17144058, 28573430, 42860145, 85720290]

約数ペア:

[(1, 85720290), (2, 42860145), (3, 28573430), (5, 17144058), (6, 14286715), (10, 8572029), (15, 5714686), (17, 5042370), (30, 2857343), (34, 2521185), (51, 1680790), (85, 1008474), (102, 840395), (170, 504237), (255, 336158), (289, 296610), (510, 168079), (578, 148305), (867, 98870), (1445, 59322), (1734, 49435), (2890, 29661), (4335, 19774), (8670, 9887)]