728980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 1806336

約数和(自身を除く): 1077356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 127, 140, 164, 205, 254, 287, 410, 508, 574, 635, 820, 889, 1148, 1270, 1435, 1778, 2540, 2870, 3556, 4445, 5207, 5740, 8890, 10414, 17780, 20828, 26035, 36449, 52070, 72898, 104140, 145796, 182245, 364490, 728980]

約数ペア:

[(1, 728980), (2, 364490), (4, 182245), (5, 145796), (7, 104140), (10, 72898), (14, 52070), (20, 36449), (28, 26035), (35, 20828), (41, 17780), (70, 10414), (82, 8890), (127, 5740), (140, 5207), (164, 4445), (205, 3556), (254, 2870), (287, 2540), (410, 1778), (508, 1435), (574, 1270), (635, 1148), (820, 889)]