331660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 838656

約数和(自身を除く): 506996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 103, 115, 140, 161, 206, 230, 322, 412, 460, 515, 644, 721, 805, 1030, 1442, 1610, 2060, 2369, 2884, 3220, 3605, 4738, 7210, 9476, 11845, 14420, 16583, 23690, 33166, 47380, 66332, 82915, 165830, 331660]

約数ペア:

[(1, 331660), (2, 165830), (4, 82915), (5, 66332), (7, 47380), (10, 33166), (14, 23690), (20, 16583), (23, 14420), (28, 11845), (35, 9476), (46, 7210), (70, 4738), (92, 3605), (103, 3220), (115, 2884), (140, 2369), (161, 2060), (206, 1610), (230, 1442), (322, 1030), (412, 805), (460, 721), (515, 644)]