289304870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{7177}}^1$

素因数の和:7352

約数の個数: 32

約数和(自身を含む): 542656800

約数和(自身を除く): 253351930

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 7177, 8062, 14354, 20155, 35885, 40310, 71770, 208133, 416266, 997603, 1040665, 1995206, 2081330, 4988015, 9976030, 28930487, 57860974, 144652435, 289304870]

約数ペア:

[(1, 289304870), (2, 144652435), (5, 57860974), (10, 28930487), (29, 9976030), (58, 4988015), (139, 2081330), (145, 1995206), (278, 1040665), (290, 997603), (695, 416266), (1390, 208133), (4031, 71770), (7177, 40310), (8062, 35885), (14354, 20155)]