356313620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{4877}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 808850448

約数和(自身を除く): 452536828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 1124, 1405, 2810, 3653, 4877, 5620, 7306, 9754, 14612, 18265, 19508, 24385, 36530, 48770, 63401, 73060, 97540, 126802, 253604, 317005, 634010, 1268020, 1370437, 2740874, 5481748, 6852185, 13704370, 17815681, 27408740, 35631362, 71262724, 89078405, 178156810, 356313620]

約数ペア:

[(1, 356313620), (2, 178156810), (4, 89078405), (5, 71262724), (10, 35631362), (13, 27408740), (20, 17815681), (26, 13704370), (52, 6852185), (65, 5481748), (130, 2740874), (260, 1370437), (281, 1268020), (562, 634010), (1124, 317005), (1405, 253604), (2810, 126802), (3653, 97540), (4877, 73060), (5620, 63401), (7306, 48770), (9754, 36530), (14612, 24385), (18265, 19508)]