139382480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 344710080

約数和(自身を除く): 205327600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 380, 428, 535, 760, 856, 857, 1070, 1520, 1712, 1714, 2033, 2140, 3428, 4066, 4280, 4285, 6856, 8132, 8560, 8570, 10165, 13712, 16264, 16283, 17140, 20330, 32528, 32566, 34280, 40660, 65132, 68560, 81320, 81415, 91699, 130264, 162640, 162830, 183398, 260528, 325660, 366796, 458495, 651320, 733592, 916990, 1302640, 1467184, 1742281, 1833980, 3484562, 3667960, 6969124, 7335920, 8711405, 13938248, 17422810, 27876496, 34845620, 69691240, 139382480]

約数ペア:

[(1, 139382480), (2, 69691240), (4, 34845620), (5, 27876496), (8, 17422810), (10, 13938248), (16, 8711405), (19, 7335920), (20, 6969124), (38, 3667960), (40, 3484562), (76, 1833980), (80, 1742281), (95, 1467184), (107, 1302640), (152, 916990), (190, 733592), (214, 651320), (304, 458495), (380, 366796), (428, 325660), (535, 260528), (760, 183398), (856, 162830), (857, 162640), (1070, 130264), (1520, 91699), (1712, 81415), (1714, 81320), (2033, 68560), (2140, 65132), (3428, 40660), (4066, 34280), (4280, 32566), (4285, 32528), (6856, 20330), (8132, 17140), (8560, 16283), (8570, 16264), (10165, 13712)]