174908180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 373406544

約数和(自身を除く): 198498364

約数列:

[1, 2, 4, 5, 10, 20, 113, 193, 226, 386, 401, 452, 565, 772, 802, 965, 1130, 1604, 1930, 2005, 2260, 3860, 4010, 8020, 21809, 43618, 45313, 77393, 87236, 90626, 109045, 154786, 181252, 218090, 226565, 309572, 386965, 436180, 453130, 773930, 906260, 1547860, 8745409, 17490818, 34981636, 43727045, 87454090, 174908180]

約数ペア:

[(1, 174908180), (2, 87454090), (4, 43727045), (5, 34981636), (10, 17490818), (20, 8745409), (113, 1547860), (193, 906260), (226, 773930), (386, 453130), (401, 436180), (452, 386965), (565, 309572), (772, 226565), (802, 218090), (965, 181252), (1130, 154786), (1604, 109045), (1930, 90626), (2005, 87236), (2260, 77393), (3860, 45313), (4010, 43618), (8020, 21809)]