201334660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1613}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 428487948

約数和(自身を除く): 227153288

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1613, 3226, 6241, 6452, 8065, 12482, 16130, 24964, 31205, 32260, 62410, 124820, 127427, 254854, 509708, 637135, 1274270, 2548540, 10066733, 20133466, 40266932, 50333665, 100667330, 201334660]

約数ペア:

[(1, 201334660), (2, 100667330), (4, 50333665), (5, 40266932), (10, 20133466), (20, 10066733), (79, 2548540), (158, 1274270), (316, 637135), (395, 509708), (790, 254854), (1580, 127427), (1613, 124820), (3226, 62410), (6241, 32260), (6452, 31205), (8065, 24964), (12482, 16130)]