680189210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{50647}}^1$

素因数の和:50750

約数の個数: 32

約数和(自身を含む): 1312796160

約数和(自身を除く): 632606950

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 50647, 101294, 253235, 506470, 860999, 1721998, 4001113, 4304995, 8002226, 8609990, 20005565, 40011130, 68018921, 136037842, 340094605, 680189210]

約数ペア:

[(1, 680189210), (2, 340094605), (5, 136037842), (10, 68018921), (17, 40011130), (34, 20005565), (79, 8609990), (85, 8002226), (158, 4304995), (170, 4001113), (395, 1721998), (790, 860999), (1343, 506470), (2686, 253235), (6715, 101294), (13430, 50647)]