2540148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 4186572

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 857, 988, 1482, 1714, 2571, 2964, 3428, 5142, 10284, 11141, 16283, 22282, 32566, 33423, 44564, 48849, 65132, 66846, 97698, 133692, 195396, 211679, 423358, 635037, 846716, 1270074, 2540148]

約数ペア:

[(1, 2540148), (2, 1270074), (3, 846716), (4, 635037), (6, 423358), (12, 211679), (13, 195396), (19, 133692), (26, 97698), (38, 66846), (39, 65132), (52, 48849), (57, 44564), (76, 33423), (78, 32566), (114, 22282), (156, 16283), (228, 11141), (247, 10284), (494, 5142), (741, 3428), (857, 2964), (988, 2571), (1482, 1714)]