42790000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 100

約数和(自身を含む): 113307480

約数和(自身を除く): 70517480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 389, 400, 440, 500, 550, 625, 778, 880, 1000, 1100, 1250, 1375, 1556, 1945, 2000, 2200, 2500, 2750, 3112, 3890, 4279, 4400, 5000, 5500, 6224, 6875, 7780, 8558, 9725, 10000, 11000, 13750, 15560, 17116, 19450, 21395, 22000, 27500, 31120, 34232, 38900, 42790, 48625, 55000, 68464, 77800, 85580, 97250, 106975, 110000, 155600, 171160, 194500, 213950, 243125, 342320, 389000, 427900, 486250, 534875, 778000, 855800, 972500, 1069750, 1711600, 1945000, 2139500, 2674375, 3890000, 4279000, 5348750, 8558000, 10697500, 21395000, 42790000]

約数ペア:

[(1, 42790000), (2, 21395000), (4, 10697500), (5, 8558000), (8, 5348750), (10, 4279000), (11, 3890000), (16, 2674375), (20, 2139500), (22, 1945000), (25, 1711600), (40, 1069750), (44, 972500), (50, 855800), (55, 778000), (80, 534875), (88, 486250), (100, 427900), (110, 389000), (125, 342320), (176, 243125), (200, 213950), (220, 194500), (250, 171160), (275, 155600), (389, 110000), (400, 106975), (440, 97250), (500, 85580), (550, 77800), (625, 68464), (778, 55000), (880, 48625), (1000, 42790), (1100, 38900), (1250, 34232), (1375, 31120), (1556, 27500), (1945, 22000), (2000, 21395), (2200, 19450), (2500, 17116), (2750, 15560), (3112, 13750), (3890, 11000), (4279, 10000), (4400, 9725), (5000, 8558), (5500, 7780), (6224, 6875)]