680986520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^2\times {\mathrm{1487}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 1547713440

約数和(自身を除く): 866726920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1487, 2140, 2974, 4280, 5948, 7435, 11449, 11896, 14870, 22898, 29740, 45796, 57245, 59480, 91592, 114490, 159109, 228980, 318218, 457960, 636436, 795545, 1272872, 1591090, 3182180, 6364360, 17024663, 34049326, 68098652, 85123315, 136197304, 170246630, 340493260, 680986520]

約数ペア:

[(1, 680986520), (2, 340493260), (4, 170246630), (5, 136197304), (8, 85123315), (10, 68098652), (20, 34049326), (40, 17024663), (107, 6364360), (214, 3182180), (428, 1591090), (535, 1272872), (856, 795545), (1070, 636436), (1487, 457960), (2140, 318218), (2974, 228980), (4280, 159109), (5948, 114490), (7435, 91592), (11449, 59480), (11896, 57245), (14870, 45796), (22898, 29740)]