201566020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2791}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 444665088

約数和(自身を除く): 243099068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1570, 2791, 3140, 3611, 5582, 7222, 11164, 13955, 14444, 18055, 27910, 36110, 55820, 64193, 72220, 128386, 256772, 320965, 438187, 641930, 876374, 1283860, 1752748, 2190935, 4381870, 8763740, 10078301, 20156602, 40313204, 50391505, 100783010, 201566020]

約数ペア:

[(1, 201566020), (2, 100783010), (4, 50391505), (5, 40313204), (10, 20156602), (20, 10078301), (23, 8763740), (46, 4381870), (92, 2190935), (115, 1752748), (157, 1283860), (230, 876374), (314, 641930), (460, 438187), (628, 320965), (785, 256772), (1570, 128386), (2791, 72220), (3140, 64193), (3611, 55820), (5582, 36110), (7222, 27910), (11164, 18055), (13955, 14444)]