85817140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{947}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 189205632

約数和(自身を除く): 103388492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 947, 985, 1894, 1970, 3788, 3940, 4531, 4735, 9062, 9470, 18124, 18940, 21781, 22655, 43562, 45310, 87124, 90620, 108905, 186559, 217810, 373118, 435620, 746236, 932795, 1865590, 3731180, 4290857, 8581714, 17163428, 21454285, 42908570, 85817140]

約数ペア:

[(1, 85817140), (2, 42908570), (4, 21454285), (5, 17163428), (10, 8581714), (20, 4290857), (23, 3731180), (46, 1865590), (92, 932795), (115, 746236), (197, 435620), (230, 373118), (394, 217810), (460, 186559), (788, 108905), (947, 90620), (985, 87124), (1894, 45310), (1970, 43562), (3788, 22655), (3940, 21781), (4531, 18940), (4735, 18124), (9062, 9470)]