3447920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 9427968

約数和(自身を除く): 5980048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 131, 140, 188, 235, 262, 280, 329, 376, 470, 524, 560, 655, 658, 752, 917, 940, 1048, 1310, 1316, 1645, 1834, 1880, 2096, 2620, 2632, 3290, 3668, 3760, 4585, 5240, 5264, 6157, 6580, 7336, 9170, 10480, 12314, 13160, 14672, 18340, 24628, 26320, 30785, 36680, 43099, 49256, 61570, 73360, 86198, 98512, 123140, 172396, 215495, 246280, 344792, 430990, 492560, 689584, 861980, 1723960, 3447920]

約数ペア:

[(1, 3447920), (2, 1723960), (4, 861980), (5, 689584), (7, 492560), (8, 430990), (10, 344792), (14, 246280), (16, 215495), (20, 172396), (28, 123140), (35, 98512), (40, 86198), (47, 73360), (56, 61570), (70, 49256), (80, 43099), (94, 36680), (112, 30785), (131, 26320), (140, 24628), (188, 18340), (235, 14672), (262, 13160), (280, 12314), (329, 10480), (376, 9170), (470, 7336), (524, 6580), (560, 6157), (655, 5264), (658, 5240), (752, 4585), (917, 3760), (940, 3668), (1048, 3290), (1310, 2632), (1316, 2620), (1645, 2096), (1834, 1880)]