2808740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 6822144

約数和(自身を除く): 4013404

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 751, 935, 1502, 1870, 3004, 3740, 3755, 7510, 8261, 12767, 15020, 16522, 25534, 33044, 41305, 51068, 63835, 82610, 127670, 140437, 165220, 255340, 280874, 561748, 702185, 1404370, 2808740]

約数ペア:

[(1, 2808740), (2, 1404370), (4, 702185), (5, 561748), (10, 280874), (11, 255340), (17, 165220), (20, 140437), (22, 127670), (34, 82610), (44, 63835), (55, 51068), (68, 41305), (85, 33044), (110, 25534), (170, 16522), (187, 15020), (220, 12767), (340, 8261), (374, 7510), (748, 3755), (751, 3740), (935, 3004), (1502, 1870)]