291280060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3613}}^1$

素因数の和:3790

約数の個数: 48

約数和(自身を含む): 637509600

約数和(自身を除く): 346229540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 3613, 4031, 7226, 8062, 14452, 16124, 18065, 20155, 36130, 40310, 72260, 80620, 104777, 209554, 419108, 502207, 523885, 1004414, 1047770, 2008828, 2095540, 2511035, 5022070, 10044140, 14564003, 29128006, 58256012, 72820015, 145640030, 291280060]

約数ペア:

[(1, 291280060), (2, 145640030), (4, 72820015), (5, 58256012), (10, 29128006), (20, 14564003), (29, 10044140), (58, 5022070), (116, 2511035), (139, 2095540), (145, 2008828), (278, 1047770), (290, 1004414), (556, 523885), (580, 502207), (695, 419108), (1390, 209554), (2780, 104777), (3613, 80620), (4031, 72260), (7226, 40310), (8062, 36130), (14452, 20155), (16124, 18065)]