221323100

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{4091}}^1$

素因数の和:4646

約数の個数: 36

約数和(自身を含む): 481276488

約数和(自身を除く): 259953388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 1082, 2164, 2705, 4091, 5410, 8182, 10820, 13525, 16364, 20455, 27050, 40910, 54100, 81820, 102275, 204550, 409100, 2213231, 4426462, 8852924, 11066155, 22132310, 44264620, 55330775, 110661550, 221323100]

約数ペア:

[(1, 221323100), (2, 110661550), (4, 55330775), (5, 44264620), (10, 22132310), (20, 11066155), (25, 8852924), (50, 4426462), (100, 2213231), (541, 409100), (1082, 204550), (2164, 102275), (2705, 81820), (4091, 54100), (5410, 40910), (8182, 27050), (10820, 20455), (13525, 16364)]