1974280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 5546880

約数和(自身を除く): 3572600

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, 641, 770, 1282, 1540, 2564, 3080, 3205, 4487, 5128, 6410, 7051, 8974, 12820, 14102, 17948, 22435, 25640, 28204, 35255, 35896, 44870, 49357, 56408, 70510, 89740, 98714, 141020, 179480, 197428, 246785, 282040, 394856, 493570, 987140, 1974280]

約数ペア:

[(1, 1974280), (2, 987140), (4, 493570), (5, 394856), (7, 282040), (8, 246785), (10, 197428), (11, 179480), (14, 141020), (20, 98714), (22, 89740), (28, 70510), (35, 56408), (40, 49357), (44, 44870), (55, 35896), (56, 35255), (70, 28204), (77, 25640), (88, 22435), (110, 17948), (140, 14102), (154, 12820), (220, 8974), (280, 7051), (308, 6410), (385, 5128), (440, 4487), (616, 3205), (641, 3080), (770, 2564), (1282, 1540)]