199941610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 398601000

約数和(自身を除く): 198659390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 149, 242, 298, 605, 745, 1109, 1210, 1490, 1639, 2218, 3278, 5545, 8195, 11090, 12199, 16390, 18029, 24398, 36058, 60995, 90145, 121990, 134189, 165241, 180290, 268378, 330482, 670945, 826205, 1341890, 1652410, 1817651, 3635302, 9088255, 18176510, 19994161, 39988322, 99970805, 199941610]

約数ペア:

[(1, 199941610), (2, 99970805), (5, 39988322), (10, 19994161), (11, 18176510), (22, 9088255), (55, 3635302), (110, 1817651), (121, 1652410), (149, 1341890), (242, 826205), (298, 670945), (605, 330482), (745, 268378), (1109, 180290), (1210, 165241), (1490, 134189), (1639, 121990), (2218, 90145), (3278, 60995), (5545, 36058), (8195, 24398), (11090, 18029), (12199, 16390)]