30831205

素因数分解:

$5^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 41702400

約数和(自身を除く): 10871195

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 361, 551, 589, 899, 1805, 2755, 2945, 4495, 6859, 10469, 11191, 17081, 34295, 52345, 55955, 85405, 198911, 212629, 324539, 994555, 1063145, 1622695, 6166241, 30831205]

約数ペア:

[(1, 30831205), (5, 6166241), (19, 1622695), (29, 1063145), (31, 994555), (95, 324539), (145, 212629), (155, 198911), (361, 85405), (551, 55955), (589, 52345), (899, 34295), (1805, 17081), (2755, 11191), (2945, 10469), (4495, 6859)]