28676060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{797}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 69177024

約数和(自身を除く): 40500964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 797, 1028, 1285, 1594, 1799, 2570, 3188, 3598, 3985, 5140, 5579, 7196, 7970, 8995, 11158, 15940, 17990, 22316, 27895, 35980, 55790, 111580, 204829, 409658, 819316, 1024145, 1433803, 2048290, 2867606, 4096580, 5735212, 7169015, 14338030, 28676060]

約数ペア:

[(1, 28676060), (2, 14338030), (4, 7169015), (5, 5735212), (7, 4096580), (10, 2867606), (14, 2048290), (20, 1433803), (28, 1024145), (35, 819316), (70, 409658), (140, 204829), (257, 111580), (514, 55790), (797, 35980), (1028, 27895), (1285, 22316), (1594, 17990), (1799, 15940), (2570, 11158), (3188, 8995), (3598, 7970), (3985, 7196), (5140, 5579)]