76866800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 195352080

約数和(自身を除く): 118485280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 43, 50, 80, 82, 86, 100, 109, 164, 172, 200, 205, 215, 218, 328, 344, 400, 410, 430, 436, 545, 656, 688, 820, 860, 872, 1025, 1075, 1090, 1640, 1720, 1744, 1763, 2050, 2150, 2180, 2725, 3280, 3440, 3526, 4100, 4300, 4360, 4469, 4687, 5450, 7052, 8200, 8600, 8720, 8815, 8938, 9374, 10900, 14104, 16400, 17200, 17630, 17876, 18748, 21800, 22345, 23435, 28208, 35260, 35752, 37496, 43600, 44075, 44690, 46870, 70520, 71504, 74992, 88150, 89380, 93740, 111725, 117175, 141040, 176300, 178760, 187480, 192167, 223450, 234350, 352600, 357520, 374960, 384334, 446900, 468700, 705200, 768668, 893800, 937400, 960835, 1537336, 1787600, 1874800, 1921670, 3074672, 3843340, 4804175, 7686680, 9608350, 15373360, 19216700, 38433400, 76866800]

約数ペア:

[(1, 76866800), (2, 38433400), (4, 19216700), (5, 15373360), (8, 9608350), (10, 7686680), (16, 4804175), (20, 3843340), (25, 3074672), (40, 1921670), (41, 1874800), (43, 1787600), (50, 1537336), (80, 960835), (82, 937400), (86, 893800), (100, 768668), (109, 705200), (164, 468700), (172, 446900), (200, 384334), (205, 374960), (215, 357520), (218, 352600), (328, 234350), (344, 223450), (400, 192167), (410, 187480), (430, 178760), (436, 176300), (545, 141040), (656, 117175), (688, 111725), (820, 93740), (860, 89380), (872, 88150), (1025, 74992), (1075, 71504), (1090, 70520), (1640, 46870), (1720, 44690), (1744, 44075), (1763, 43600), (2050, 37496), (2150, 35752), (2180, 35260), (2725, 28208), (3280, 23435), (3440, 22345), (3526, 21800), (4100, 18748), (4300, 17876), (4360, 17630), (4469, 17200), (4687, 16400), (5450, 14104), (7052, 10900), (8200, 9374), (8600, 8938), (8720, 8815)]