171944980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{757}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 371717136

約数和(自身を除く): 199772156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 277, 410, 554, 757, 820, 1108, 1385, 1514, 2770, 3028, 3785, 5540, 7570, 11357, 15140, 22714, 31037, 45428, 56785, 62074, 113570, 124148, 155185, 209689, 227140, 310370, 419378, 620740, 838756, 1048445, 2096890, 4193780, 8597249, 17194498, 34388996, 42986245, 85972490, 171944980]

約数ペア:

[(1, 171944980), (2, 85972490), (4, 42986245), (5, 34388996), (10, 17194498), (20, 8597249), (41, 4193780), (82, 2096890), (164, 1048445), (205, 838756), (277, 620740), (410, 419378), (554, 310370), (757, 227140), (820, 209689), (1108, 155185), (1385, 124148), (1514, 113570), (2770, 62074), (3028, 56785), (3785, 45428), (5540, 31037), (7570, 22714), (11357, 15140)]