144585740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1979}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 328315680

約数和(自身を除く): 183729940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 1124, 1405, 1979, 2810, 3653, 3958, 5620, 7306, 7916, 9895, 14612, 18265, 19790, 25727, 36530, 39580, 51454, 73060, 102908, 128635, 257270, 514540, 556099, 1112198, 2224396, 2780495, 5560990, 7229287, 11121980, 14458574, 28917148, 36146435, 72292870, 144585740]

約数ペア:

[(1, 144585740), (2, 72292870), (4, 36146435), (5, 28917148), (10, 14458574), (13, 11121980), (20, 7229287), (26, 5560990), (52, 2780495), (65, 2224396), (130, 1112198), (260, 556099), (281, 514540), (562, 257270), (1124, 128635), (1405, 102908), (1979, 73060), (2810, 51454), (3653, 39580), (3958, 36530), (5620, 25727), (7306, 19790), (7916, 18265), (9895, 14612)]