999680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 2649024

約数和(自身を除く): 1649344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 220, 256, 284, 320, 352, 355, 440, 568, 640, 704, 710, 781, 880, 1136, 1280, 1408, 1420, 1562, 1760, 2272, 2816, 2840, 3124, 3520, 3905, 4544, 5680, 6248, 7040, 7810, 9088, 11360, 12496, 14080, 15620, 18176, 22720, 24992, 31240, 45440, 49984, 62480, 90880, 99968, 124960, 199936, 249920, 499840, 999680]

約数ペア:

[(1, 999680), (2, 499840), (4, 249920), (5, 199936), (8, 124960), (10, 99968), (11, 90880), (16, 62480), (20, 49984), (22, 45440), (32, 31240), (40, 24992), (44, 22720), (55, 18176), (64, 15620), (71, 14080), (80, 12496), (88, 11360), (110, 9088), (128, 7810), (142, 7040), (160, 6248), (176, 5680), (220, 4544), (256, 3905), (284, 3520), (320, 3124), (352, 2840), (355, 2816), (440, 2272), (568, 1760), (640, 1562), (704, 1420), (710, 1408), (781, 1280), (880, 1136)]