9790000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 100

約数和(自身を含む): 26147880

約数和(自身を除く): 16357880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 89, 100, 110, 125, 176, 178, 200, 220, 250, 275, 356, 400, 440, 445, 500, 550, 625, 712, 880, 890, 979, 1000, 1100, 1250, 1375, 1424, 1780, 1958, 2000, 2200, 2225, 2500, 2750, 3560, 3916, 4400, 4450, 4895, 5000, 5500, 6875, 7120, 7832, 8900, 9790, 10000, 11000, 11125, 13750, 15664, 17800, 19580, 22000, 22250, 24475, 27500, 35600, 39160, 44500, 48950, 55000, 55625, 78320, 89000, 97900, 110000, 111250, 122375, 178000, 195800, 222500, 244750, 391600, 445000, 489500, 611875, 890000, 979000, 1223750, 1958000, 2447500, 4895000, 9790000]

約数ペア:

[(1, 9790000), (2, 4895000), (4, 2447500), (5, 1958000), (8, 1223750), (10, 979000), (11, 890000), (16, 611875), (20, 489500), (22, 445000), (25, 391600), (40, 244750), (44, 222500), (50, 195800), (55, 178000), (80, 122375), (88, 111250), (89, 110000), (100, 97900), (110, 89000), (125, 78320), (176, 55625), (178, 55000), (200, 48950), (220, 44500), (250, 39160), (275, 35600), (356, 27500), (400, 24475), (440, 22250), (445, 22000), (500, 19580), (550, 17800), (625, 15664), (712, 13750), (880, 11125), (890, 11000), (979, 10000), (1000, 9790), (1100, 8900), (1250, 7832), (1375, 7120), (1424, 6875), (1780, 5500), (1958, 5000), (2000, 4895), (2200, 4450), (2225, 4400), (2500, 3916), (2750, 3560)]