68128540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 149597280

約数和(自身を除く): 81468740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 505, 580, 1010, 1163, 2020, 2326, 2929, 4652, 5815, 5858, 11630, 11716, 14645, 23260, 29290, 33727, 58580, 67454, 117463, 134908, 168635, 234926, 337270, 469852, 587315, 674540, 1174630, 2349260, 3406427, 6812854, 13625708, 17032135, 34064270, 68128540]

約数ペア:

[(1, 68128540), (2, 34064270), (4, 17032135), (5, 13625708), (10, 6812854), (20, 3406427), (29, 2349260), (58, 1174630), (101, 674540), (116, 587315), (145, 469852), (202, 337270), (290, 234926), (404, 168635), (505, 134908), (580, 117463), (1010, 67454), (1163, 58580), (2020, 33727), (2326, 29290), (2929, 23260), (4652, 14645), (5815, 11716), (5858, 11630)]