205126660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6833}}^1$

素因数の和:6940

約数の個数: 48

約数和(自身を含む): 459244800

約数和(自身を除く): 254118140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 6833, 7505, 13666, 15010, 27332, 30020, 34165, 68330, 129827, 136660, 259654, 519308, 539807, 649135, 1079614, 1298270, 2159228, 2596540, 2699035, 5398070, 10256333, 10796140, 20512666, 41025332, 51281665, 102563330, 205126660]

約数ペア:

[(1, 205126660), (2, 102563330), (4, 51281665), (5, 41025332), (10, 20512666), (19, 10796140), (20, 10256333), (38, 5398070), (76, 2699035), (79, 2596540), (95, 2159228), (158, 1298270), (190, 1079614), (316, 649135), (380, 539807), (395, 519308), (790, 259654), (1501, 136660), (1580, 129827), (3002, 68330), (6004, 34165), (6833, 30020), (7505, 27332), (13666, 15010)]