137978380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15787}}^1$

素因数の和:15838

約数の個数: 48

約数和(自身を含む): 318286080

約数和(自身を除く): 180307700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 15787, 31574, 63148, 78935, 157870, 299953, 315740, 363101, 599906, 726202, 1199812, 1452404, 1499765, 1815505, 2999530, 3631010, 5999060, 6898919, 7262020, 13797838, 27595676, 34494595, 68989190, 137978380]

約数ペア:

[(1, 137978380), (2, 68989190), (4, 34494595), (5, 27595676), (10, 13797838), (19, 7262020), (20, 6898919), (23, 5999060), (38, 3631010), (46, 2999530), (76, 1815505), (92, 1499765), (95, 1452404), (115, 1199812), (190, 726202), (230, 599906), (380, 363101), (437, 315740), (460, 299953), (874, 157870), (1748, 78935), (2185, 63148), (4370, 31574), (8740, 15787)]