3970120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 11145600

約数和(自身を除く): 7175480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1289, 1540, 2578, 3080, 5156, 6445, 9023, 10312, 12890, 14179, 18046, 25780, 28358, 36092, 45115, 51560, 56716, 70895, 72184, 90230, 99253, 113432, 141790, 180460, 198506, 283580, 360920, 397012, 496265, 567160, 794024, 992530, 1985060, 3970120]

約数ペア:

[(1, 3970120), (2, 1985060), (4, 992530), (5, 794024), (7, 567160), (8, 496265), (10, 397012), (11, 360920), (14, 283580), (20, 198506), (22, 180460), (28, 141790), (35, 113432), (40, 99253), (44, 90230), (55, 72184), (56, 70895), (70, 56716), (77, 51560), (88, 45115), (110, 36092), (140, 28358), (154, 25780), (220, 18046), (280, 14179), (308, 12890), (385, 10312), (440, 9023), (616, 6445), (770, 5156), (1289, 3080), (1540, 2578)]