12173620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 14639180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 151, 278, 290, 302, 556, 580, 604, 695, 755, 1390, 1510, 2780, 3020, 4031, 4379, 8062, 8758, 16124, 17516, 20155, 20989, 21895, 40310, 41978, 43790, 80620, 83956, 87580, 104945, 209890, 419780, 608681, 1217362, 2434724, 3043405, 6086810, 12173620]

約数ペア:

[(1, 12173620), (2, 6086810), (4, 3043405), (5, 2434724), (10, 1217362), (20, 608681), (29, 419780), (58, 209890), (116, 104945), (139, 87580), (145, 83956), (151, 80620), (278, 43790), (290, 41978), (302, 40310), (556, 21895), (580, 20989), (604, 20155), (695, 17516), (755, 16124), (1390, 8758), (1510, 8062), (2780, 4379), (3020, 4031)]