128261770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8291}}^1$

素因数の和:8335

約数の個数: 64

約数和(自身を含む): 300900096

約数和(自身を除く): 172638326

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 7735, 8291, 15470, 16582, 41455, 58037, 82910, 107783, 116074, 140947, 215566, 281894, 290185, 538915, 580370, 704735, 754481, 986629, 1077830, 1409470, 1508962, 1832311, 1973258, 3664622, 3772405, 4933145, 7544810, 9161555, 9866290, 12826177, 18323110, 25652354, 64130885, 128261770]

約数ペア:

[(1, 128261770), (2, 64130885), (5, 25652354), (7, 18323110), (10, 12826177), (13, 9866290), (14, 9161555), (17, 7544810), (26, 4933145), (34, 3772405), (35, 3664622), (65, 1973258), (70, 1832311), (85, 1508962), (91, 1409470), (119, 1077830), (130, 986629), (170, 754481), (182, 704735), (221, 580370), (238, 538915), (442, 290185), (455, 281894), (595, 215566), (910, 140947), (1105, 116074), (1190, 107783), (1547, 82910), (2210, 58037), (3094, 41455), (7735, 16582), (8291, 15470)]