199998804520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1\times {\mathrm{25309}}^1$

素因数の和:36958

約数の個数: 64

約数和(自身を含む): 476527568400

約数和(自身を除く): 276528763880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11621, 23242, 25309, 46484, 50618, 58105, 92968, 101236, 116210, 126545, 197557, 202472, 232420, 253090, 395114, 430253, 464840, 506180, 790228, 860506, 987785, 1012360, 1580456, 1721012, 1975570, 2151265, 3442024, 3951140, 4302530, 7902280, 8605060, 17210120, 294115889, 588231778, 1176463556, 1470579445, 2352927112, 2941158890, 4999970113, 5882317780, 9999940226, 11764635560, 19999880452, 24999850565, 39999760904, 49999701130, 99999402260, 199998804520]

約数ペア:

[(1, 199998804520), (2, 99999402260), (4, 49999701130), (5, 39999760904), (8, 24999850565), (10, 19999880452), (17, 11764635560), (20, 9999940226), (34, 5882317780), (40, 4999970113), (68, 2941158890), (85, 2352927112), (136, 1470579445), (170, 1176463556), (340, 588231778), (680, 294115889), (11621, 17210120), (23242, 8605060), (25309, 7902280), (46484, 4302530), (50618, 3951140), (58105, 3442024), (92968, 2151265), (101236, 1975570), (116210, 1721012), (126545, 1580456), (197557, 1012360), (202472, 987785), (232420, 860506), (253090, 790228), (395114, 506180), (430253, 464840)]