31148420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 69718320

約数和(自身を除く): 38569900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 317, 340, 578, 634, 1156, 1268, 1445, 1585, 2890, 3170, 4913, 5389, 5780, 6340, 9826, 10778, 19652, 21556, 24565, 26945, 49130, 53890, 91613, 98260, 107780, 183226, 366452, 458065, 916130, 1557421, 1832260, 3114842, 6229684, 7787105, 15574210, 31148420]

約数ペア:

[(1, 31148420), (2, 15574210), (4, 7787105), (5, 6229684), (10, 3114842), (17, 1832260), (20, 1557421), (34, 916130), (68, 458065), (85, 366452), (170, 183226), (289, 107780), (317, 98260), (340, 91613), (578, 53890), (634, 49130), (1156, 26945), (1268, 24565), (1445, 21556), (1585, 19652), (2890, 10778), (3170, 9826), (4913, 6340), (5389, 5780)]