198550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:61

約数の個数: 36

約数和(自身を含む): 425196

約数和(自身を除く): 226646

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 361, 418, 475, 550, 722, 950, 1045, 1805, 2090, 3610, 3971, 5225, 7942, 9025, 10450, 18050, 19855, 39710, 99275, 198550]

約数ペア:

[(1, 198550), (2, 99275), (5, 39710), (10, 19855), (11, 18050), (19, 10450), (22, 9025), (25, 7942), (38, 5225), (50, 3971), (55, 3610), (95, 2090), (110, 1805), (190, 1045), (209, 950), (275, 722), (361, 550), (418, 475)]