201256820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 433859328

約数和(自身を除く): 232602508

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 251, 470, 502, 853, 940, 1004, 1255, 1706, 2510, 3412, 4265, 5020, 8530, 11797, 17060, 23594, 40091, 47188, 58985, 80182, 117970, 160364, 200455, 214103, 235940, 400910, 428206, 801820, 856412, 1070515, 2141030, 4282060, 10062841, 20125682, 40251364, 50314205, 100628410, 201256820]

約数ペア:

[(1, 201256820), (2, 100628410), (4, 50314205), (5, 40251364), (10, 20125682), (20, 10062841), (47, 4282060), (94, 2141030), (188, 1070515), (235, 856412), (251, 801820), (470, 428206), (502, 400910), (853, 235940), (940, 214103), (1004, 200455), (1255, 160364), (1706, 117970), (2510, 80182), (3412, 58985), (4265, 47188), (5020, 40091), (8530, 23594), (11797, 17060)]