28976920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2852

約数の個数: 64

約数和(自身を含む): 76553280

約数和(自身を除く): 47576360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 2797, 5180, 5594, 10360, 11188, 13985, 19579, 22376, 27970, 39158, 55940, 78316, 97895, 103489, 111880, 156632, 195790, 206978, 391580, 413956, 517445, 724423, 783160, 827912, 1034890, 1448846, 2069780, 2897692, 3622115, 4139560, 5795384, 7244230, 14488460, 28976920]

約数ペア:

[(1, 28976920), (2, 14488460), (4, 7244230), (5, 5795384), (7, 4139560), (8, 3622115), (10, 2897692), (14, 2069780), (20, 1448846), (28, 1034890), (35, 827912), (37, 783160), (40, 724423), (56, 517445), (70, 413956), (74, 391580), (140, 206978), (148, 195790), (185, 156632), (259, 111880), (280, 103489), (296, 97895), (370, 78316), (518, 55940), (740, 39158), (1036, 27970), (1295, 22376), (1480, 19579), (2072, 13985), (2590, 11188), (2797, 10360), (5180, 5594)]