198244750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{72089}}^1$

素因数の和:72117

約数の個数: 32

約数和(自身を含む): 404857440

約数和(自身を除く): 206612690

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 72089, 144178, 360445, 720890, 792979, 1585958, 1802225, 3604450, 3964895, 7929790, 9011125, 18022250, 19824475, 39648950, 99122375, 198244750]

約数ペア:

[(1, 198244750), (2, 99122375), (5, 39648950), (10, 19824475), (11, 18022250), (22, 9011125), (25, 7929790), (50, 3964895), (55, 3604450), (110, 1802225), (125, 1585958), (250, 792979), (275, 720890), (550, 360445), (1375, 144178), (2750, 72089)]