2337980

素因数分解:

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

素因数の和:206

約数の個数: 36

約数和(自身を含む): 5121480

約数和(自身を除く): 2783500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 841, 1390, 1682, 2780, 3364, 4031, 4205, 8062, 8410, 16124, 16820, 20155, 40310, 80620, 116899, 233798, 467596, 584495, 1168990, 2337980]

約数ペア:

[(1, 2337980), (2, 1168990), (4, 584495), (5, 467596), (10, 233798), (20, 116899), (29, 80620), (58, 40310), (116, 20155), (139, 16820), (145, 16124), (278, 8410), (290, 8062), (556, 4205), (580, 4031), (695, 3364), (841, 2780), (1390, 1682)]