499840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 64

約数和(自身を含む): 1321920

約数和(自身を除く): 822080

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, 284, 320, 352, 355, 440, 568, 640, 704, 710, 781, 880, 1136, 1408, 1420, 1562, 1760, 2272, 2840, 3124, 3520, 3905, 4544, 5680, 6248, 7040, 7810, 9088, 11360, 12496, 15620, 22720, 24992, 31240, 45440, 49984, 62480, 99968, 124960, 249920, 499840]

約数ペア:

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