85819990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2129}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 161028000

約数和(自身を除く): 75208010

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 2129, 4031, 4258, 8062, 10645, 20155, 21290, 40310, 61741, 123482, 295931, 308705, 591862, 617410, 1479655, 2959310, 8581999, 17163998, 42909995, 85819990]

約数ペア:

[(1, 85819990), (2, 42909995), (5, 17163998), (10, 8581999), (29, 2959310), (58, 1479655), (139, 617410), (145, 591862), (278, 308705), (290, 295931), (695, 123482), (1390, 61741), (2129, 40310), (4031, 21290), (4258, 20155), (8062, 10645)]