28572460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 69156864

約数和(自身を除く): 40584404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1607, 1778, 2540, 3214, 3556, 4445, 6428, 8035, 8890, 11249, 16070, 17780, 22498, 32140, 44996, 56245, 112490, 204089, 224980, 408178, 816356, 1020445, 1428623, 2040890, 2857246, 4081780, 5714492, 7143115, 14286230, 28572460]

約数ペア:

[(1, 28572460), (2, 14286230), (4, 7143115), (5, 5714492), (7, 4081780), (10, 2857246), (14, 2040890), (20, 1428623), (28, 1020445), (35, 816356), (70, 408178), (127, 224980), (140, 204089), (254, 112490), (508, 56245), (635, 44996), (889, 32140), (1270, 22498), (1607, 17780), (1778, 16070), (2540, 11249), (3214, 8890), (3556, 8035), (4445, 6428)]