68468860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{727}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 153002304

約数和(自身を除く): 84533444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 727, 1108, 1385, 1454, 2770, 2908, 3635, 4709, 5540, 7270, 9418, 12359, 14540, 18836, 23545, 24718, 47090, 49436, 61795, 94180, 123590, 201379, 247180, 402758, 805516, 1006895, 2013790, 3423443, 4027580, 6846886, 13693772, 17117215, 34234430, 68468860]

約数ペア:

[(1, 68468860), (2, 34234430), (4, 17117215), (5, 13693772), (10, 6846886), (17, 4027580), (20, 3423443), (34, 2013790), (68, 1006895), (85, 805516), (170, 402758), (277, 247180), (340, 201379), (554, 123590), (727, 94180), (1108, 61795), (1385, 49436), (1454, 47090), (2770, 24718), (2908, 23545), (3635, 18836), (4709, 14540), (5540, 12359), (7270, 9418)]