49647080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 128321280

約数和(自身を除く): 78674200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 631, 1124, 1262, 1405, 1967, 2248, 2524, 2810, 3155, 3934, 4417, 5048, 5620, 6310, 7868, 8834, 9835, 11240, 12620, 15736, 17668, 19670, 22085, 25240, 35336, 39340, 44170, 78680, 88340, 176680, 177311, 354622, 709244, 886555, 1241177, 1418488, 1773110, 2482354, 3546220, 4964708, 6205885, 7092440, 9929416, 12411770, 24823540, 49647080]

約数ペア:

[(1, 49647080), (2, 24823540), (4, 12411770), (5, 9929416), (7, 7092440), (8, 6205885), (10, 4964708), (14, 3546220), (20, 2482354), (28, 1773110), (35, 1418488), (40, 1241177), (56, 886555), (70, 709244), (140, 354622), (280, 177311), (281, 176680), (562, 88340), (631, 78680), (1124, 44170), (1262, 39340), (1405, 35336), (1967, 25240), (2248, 22085), (2524, 19670), (2810, 17668), (3155, 15736), (3934, 12620), (4417, 11240), (5048, 9835), (5620, 8834), (6310, 7868)]