195887440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1220

約数の個数: 80

約数和(自身を含む): 522288000

約数和(自身を除く): 326400560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 701, 998, 1402, 1996, 2495, 2804, 3493, 3505, 3992, 4907, 4990, 5608, 6986, 7010, 7984, 9814, 9980, 11216, 13972, 14020, 17465, 19628, 19960, 24535, 27944, 28040, 34930, 39256, 39920, 49070, 55888, 56080, 69860, 78512, 98140, 139720, 196280, 279440, 349799, 392560, 699598, 1399196, 1748995, 2448593, 2798392, 3497990, 4897186, 5596784, 6995980, 9794372, 12242965, 13991960, 19588744, 24485930, 27983920, 39177488, 48971860, 97943720, 195887440]

約数ペア:

[(1, 195887440), (2, 97943720), (4, 48971860), (5, 39177488), (7, 27983920), (8, 24485930), (10, 19588744), (14, 13991960), (16, 12242965), (20, 9794372), (28, 6995980), (35, 5596784), (40, 4897186), (56, 3497990), (70, 2798392), (80, 2448593), (112, 1748995), (140, 1399196), (280, 699598), (499, 392560), (560, 349799), (701, 279440), (998, 196280), (1402, 139720), (1996, 98140), (2495, 78512), (2804, 69860), (3493, 56080), (3505, 55888), (3992, 49070), (4907, 39920), (4990, 39256), (5608, 34930), (6986, 28040), (7010, 27944), (7984, 24535), (9814, 19960), (9980, 19628), (11216, 17465), (13972, 14020)]