979000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 2527200

約数和(自身を除く): 1548200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 89, 100, 110, 125, 178, 200, 220, 250, 275, 356, 440, 445, 500, 550, 712, 890, 979, 1000, 1100, 1375, 1780, 1958, 2200, 2225, 2750, 3560, 3916, 4450, 4895, 5500, 7832, 8900, 9790, 11000, 11125, 17800, 19580, 22250, 24475, 39160, 44500, 48950, 89000, 97900, 122375, 195800, 244750, 489500, 979000]

約数ペア:

[(1, 979000), (2, 489500), (4, 244750), (5, 195800), (8, 122375), (10, 97900), (11, 89000), (20, 48950), (22, 44500), (25, 39160), (40, 24475), (44, 22250), (50, 19580), (55, 17800), (88, 11125), (89, 11000), (100, 9790), (110, 8900), (125, 7832), (178, 5500), (200, 4895), (220, 4450), (250, 3916), (275, 3560), (356, 2750), (440, 2225), (445, 2200), (500, 1958), (550, 1780), (712, 1375), (890, 1100), (979, 1000)]