68840420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 170311680

約数和(自身を除く): 101471260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 380, 383, 418, 430, 473, 766, 817, 836, 860, 946, 1045, 1532, 1634, 1892, 1915, 2090, 2365, 3268, 3830, 4085, 4180, 4213, 4730, 7277, 7660, 8170, 8426, 8987, 9460, 14554, 16340, 16469, 16852, 17974, 21065, 29108, 32938, 35948, 36385, 42130, 44935, 65876, 72770, 80047, 82345, 84260, 89870, 145540, 160094, 164690, 179740, 181159, 312911, 320188, 329380, 362318, 400235, 625822, 724636, 800470, 905795, 1251644, 1564555, 1600940, 1811590, 3129110, 3442021, 3623180, 6258220, 6884042, 13768084, 17210105, 34420210, 68840420]

約数ペア:

[(1, 68840420), (2, 34420210), (4, 17210105), (5, 13768084), (10, 6884042), (11, 6258220), (19, 3623180), (20, 3442021), (22, 3129110), (38, 1811590), (43, 1600940), (44, 1564555), (55, 1251644), (76, 905795), (86, 800470), (95, 724636), (110, 625822), (172, 400235), (190, 362318), (209, 329380), (215, 320188), (220, 312911), (380, 181159), (383, 179740), (418, 164690), (430, 160094), (473, 145540), (766, 89870), (817, 84260), (836, 82345), (860, 80047), (946, 72770), (1045, 65876), (1532, 44935), (1634, 42130), (1892, 36385), (1915, 35948), (2090, 32938), (2365, 29108), (3268, 21065), (3830, 17974), (4085, 16852), (4180, 16469), (4213, 16340), (4730, 14554), (7277, 9460), (7660, 8987), (8170, 8426)]