51254140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1049}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 72225860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1049, 1396, 1745, 2098, 2443, 3490, 4196, 4886, 5245, 6980, 7343, 9772, 10490, 12215, 14686, 20980, 24430, 29372, 36715, 48860, 73430, 146860, 366101, 732202, 1464404, 1830505, 2562707, 3661010, 5125414, 7322020, 10250828, 12813535, 25627070, 51254140]

約数ペア:

[(1, 51254140), (2, 25627070), (4, 12813535), (5, 10250828), (7, 7322020), (10, 5125414), (14, 3661010), (20, 2562707), (28, 1830505), (35, 1464404), (70, 732202), (140, 366101), (349, 146860), (698, 73430), (1049, 48860), (1396, 36715), (1745, 29372), (2098, 24430), (2443, 20980), (3490, 14686), (4196, 12215), (4886, 10490), (5245, 9772), (6980, 7343)]