213401140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2647}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 467107200

約数和(自身を除く): 253706060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2647, 2780, 4031, 5294, 8062, 10588, 13235, 16124, 20155, 26470, 40310, 52940, 76763, 80620, 153526, 307052, 367933, 383815, 735866, 767630, 1471732, 1535260, 1839665, 3679330, 7358660, 10670057, 21340114, 42680228, 53350285, 106700570, 213401140]

約数ペア:

[(1, 213401140), (2, 106700570), (4, 53350285), (5, 42680228), (10, 21340114), (20, 10670057), (29, 7358660), (58, 3679330), (116, 1839665), (139, 1535260), (145, 1471732), (278, 767630), (290, 735866), (556, 383815), (580, 367933), (695, 307052), (1390, 153526), (2647, 80620), (2780, 76763), (4031, 52940), (5294, 40310), (8062, 26470), (10588, 20155), (13235, 16124)]