13221100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 30623040

約数和(自身を除く): 17401940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 47, 50, 58, 94, 97, 100, 116, 145, 188, 194, 235, 290, 388, 470, 485, 580, 725, 940, 970, 1175, 1363, 1450, 1940, 2350, 2425, 2726, 2813, 2900, 4559, 4700, 4850, 5452, 5626, 6815, 9118, 9700, 11252, 13630, 14065, 18236, 22795, 27260, 28130, 34075, 45590, 56260, 68150, 70325, 91180, 113975, 132211, 136300, 140650, 227950, 264422, 281300, 455900, 528844, 661055, 1322110, 2644220, 3305275, 6610550, 13221100]

約数ペア:

[(1, 13221100), (2, 6610550), (4, 3305275), (5, 2644220), (10, 1322110), (20, 661055), (25, 528844), (29, 455900), (47, 281300), (50, 264422), (58, 227950), (94, 140650), (97, 136300), (100, 132211), (116, 113975), (145, 91180), (188, 70325), (194, 68150), (235, 56260), (290, 45590), (388, 34075), (470, 28130), (485, 27260), (580, 22795), (725, 18236), (940, 14065), (970, 13630), (1175, 11252), (1363, 9700), (1450, 9118), (1940, 6815), (2350, 5626), (2425, 5452), (2726, 4850), (2813, 4700), (2900, 4559)]