198134920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{48091}}^1$

素因数の和:48205

約数の個数: 32

約数和(自身を含む): 450141120

約数和(自身を除く): 252006200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 48091, 96182, 192364, 240455, 384728, 480910, 961820, 1923640, 4953373, 9906746, 19813492, 24766865, 39626984, 49533730, 99067460, 198134920]

約数ペア:

[(1, 198134920), (2, 99067460), (4, 49533730), (5, 39626984), (8, 24766865), (10, 19813492), (20, 9906746), (40, 4953373), (103, 1923640), (206, 961820), (412, 480910), (515, 384728), (824, 240455), (1030, 192364), (2060, 96182), (4120, 48091)]