215530760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{316957}}^1$

素因数の和:316985

約数の個数: 32

約数和(自身を含む): 513471960

約数和(自身を除く): 297941200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 316957, 633914, 1267828, 1584785, 2535656, 3169570, 5388269, 6339140, 10776538, 12678280, 21553076, 26941345, 43106152, 53882690, 107765380, 215530760]

約数ペア:

[(1, 215530760), (2, 107765380), (4, 53882690), (5, 43106152), (8, 26941345), (10, 21553076), (17, 12678280), (20, 10776538), (34, 6339140), (40, 5388269), (68, 3169570), (85, 2535656), (136, 1584785), (170, 1267828), (340, 633914), (680, 316957)]