68645660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 85578340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 1999, 2020, 3434, 3998, 6868, 7996, 8585, 9995, 17170, 19990, 33983, 34340, 39980, 67966, 135932, 169915, 201899, 339830, 403798, 679660, 807596, 1009495, 2018990, 3432283, 4037980, 6864566, 13729132, 17161415, 34322830, 68645660]

約数ペア:

[(1, 68645660), (2, 34322830), (4, 17161415), (5, 13729132), (10, 6864566), (17, 4037980), (20, 3432283), (34, 2018990), (68, 1009495), (85, 807596), (101, 679660), (170, 403798), (202, 339830), (340, 201899), (404, 169915), (505, 135932), (1010, 67966), (1717, 39980), (1999, 34340), (2020, 33983), (3434, 19990), (3998, 17170), (6868, 9995), (7996, 8585)]