33840140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 77449680

約数和(自身を除く): 43609540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 109, 172, 190, 215, 218, 361, 380, 430, 436, 545, 722, 817, 860, 1090, 1444, 1634, 1805, 2071, 2180, 3268, 3610, 4085, 4142, 4687, 7220, 8170, 8284, 9374, 10355, 15523, 16340, 18748, 20710, 23435, 31046, 39349, 41420, 46870, 62092, 77615, 78698, 89053, 93740, 155230, 157396, 178106, 196745, 310460, 356212, 393490, 445265, 786980, 890530, 1692007, 1781060, 3384014, 6768028, 8460035, 16920070, 33840140]

約数ペア:

[(1, 33840140), (2, 16920070), (4, 8460035), (5, 6768028), (10, 3384014), (19, 1781060), (20, 1692007), (38, 890530), (43, 786980), (76, 445265), (86, 393490), (95, 356212), (109, 310460), (172, 196745), (190, 178106), (215, 157396), (218, 155230), (361, 93740), (380, 89053), (430, 78698), (436, 77615), (545, 62092), (722, 46870), (817, 41420), (860, 39349), (1090, 31046), (1444, 23435), (1634, 20710), (1805, 18748), (2071, 16340), (2180, 15523), (3268, 10355), (3610, 9374), (4085, 8284), (4142, 8170), (4687, 7220)]