816220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 1761984

約数和(自身を除く): 945764

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1103, 2206, 4412, 5515, 11030, 22060, 40811, 81622, 163244, 204055, 408110, 816220]

約数ペア:

[(1, 816220), (2, 408110), (4, 204055), (5, 163244), (10, 81622), (20, 40811), (37, 22060), (74, 11030), (148, 5515), (185, 4412), (370, 2206), (740, 1103)]