28706230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33501770

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 79, 145, 158, 179, 203, 290, 358, 395, 406, 553, 790, 895, 1015, 1106, 1253, 1790, 2030, 2291, 2506, 2765, 4582, 5191, 5530, 6265, 10382, 11455, 12530, 14141, 16037, 22910, 25955, 28282, 32074, 36337, 51910, 70705, 72674, 80185, 98987, 141410, 160370, 181685, 197974, 363370, 410089, 494935, 820178, 989870, 2050445, 2870623, 4100890, 5741246, 14353115, 28706230]

約数ペア:

[(1, 28706230), (2, 14353115), (5, 5741246), (7, 4100890), (10, 2870623), (14, 2050445), (29, 989870), (35, 820178), (58, 494935), (70, 410089), (79, 363370), (145, 197974), (158, 181685), (179, 160370), (203, 141410), (290, 98987), (358, 80185), (395, 72674), (406, 70705), (553, 51910), (790, 36337), (895, 32074), (1015, 28282), (1106, 25955), (1253, 22910), (1790, 16037), (2030, 14141), (2291, 12530), (2506, 11455), (2765, 10382), (4582, 6265), (5191, 5530)]