2154950

素因数分解:

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

素因数の和:197

約数の個数: 48

約数和(自身を含む): 4713984

約数和(自身を除く): 2559034

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 131, 175, 235, 262, 329, 350, 470, 655, 658, 917, 1175, 1310, 1645, 1834, 2350, 3275, 3290, 4585, 6157, 6550, 8225, 9170, 12314, 16450, 22925, 30785, 43099, 45850, 61570, 86198, 153925, 215495, 307850, 430990, 1077475, 2154950]

約数ペア:

[(1, 2154950), (2, 1077475), (5, 430990), (7, 307850), (10, 215495), (14, 153925), (25, 86198), (35, 61570), (47, 45850), (50, 43099), (70, 30785), (94, 22925), (131, 16450), (175, 12314), (235, 9170), (262, 8225), (329, 6550), (350, 6157), (470, 4585), (655, 3290), (658, 3275), (917, 2350), (1175, 1834), (1310, 1645)]