100887920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{701}}^1$

素因数の和:978

約数の個数: 80

約数和(自身を含む): 269500608

約数和(自身を除く): 168612688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 701, 1028, 1285, 1402, 1799, 2056, 2570, 2804, 3505, 3598, 4112, 4907, 5140, 5608, 7010, 7196, 8995, 9814, 10280, 11216, 14020, 14392, 17990, 19628, 20560, 24535, 28040, 28784, 35980, 39256, 49070, 56080, 71960, 78512, 98140, 143920, 180157, 196280, 360314, 392560, 720628, 900785, 1261099, 1441256, 1801570, 2522198, 2882512, 3603140, 5044396, 6305495, 7206280, 10088792, 12610990, 14412560, 20177584, 25221980, 50443960, 100887920]

約数ペア:

[(1, 100887920), (2, 50443960), (4, 25221980), (5, 20177584), (7, 14412560), (8, 12610990), (10, 10088792), (14, 7206280), (16, 6305495), (20, 5044396), (28, 3603140), (35, 2882512), (40, 2522198), (56, 1801570), (70, 1441256), (80, 1261099), (112, 900785), (140, 720628), (257, 392560), (280, 360314), (514, 196280), (560, 180157), (701, 143920), (1028, 98140), (1285, 78512), (1402, 71960), (1799, 56080), (2056, 49070), (2570, 39256), (2804, 35980), (3505, 28784), (3598, 28040), (4112, 24535), (4907, 20560), (5140, 19628), (5608, 17990), (7010, 14392), (7196, 14020), (8995, 11216), (9814, 10280)]