78864380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1307}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 189858816

約数和(自身を除く): 110994436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1307, 1724, 2155, 2614, 3017, 4310, 5228, 6034, 6535, 8620, 9149, 12068, 13070, 15085, 18298, 26140, 30170, 36596, 45745, 60340, 91490, 182980, 563317, 1126634, 2253268, 2816585, 3943219, 5633170, 7886438, 11266340, 15772876, 19716095, 39432190, 78864380]

約数ペア:

[(1, 78864380), (2, 39432190), (4, 19716095), (5, 15772876), (7, 11266340), (10, 7886438), (14, 5633170), (20, 3943219), (28, 2816585), (35, 2253268), (70, 1126634), (140, 563317), (431, 182980), (862, 91490), (1307, 60340), (1724, 45745), (2155, 36596), (2614, 30170), (3017, 26140), (4310, 18298), (5228, 15085), (6034, 13070), (6535, 12068), (8620, 9149)]