7574980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 18498816

約数和(自身を除く): 10923836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 887, 1220, 1708, 1774, 2135, 3548, 4270, 4435, 6209, 8540, 8870, 12418, 17740, 24836, 31045, 54107, 62090, 108214, 124180, 216428, 270535, 378749, 541070, 757498, 1082140, 1514996, 1893745, 3787490, 7574980]

約数ペア:

[(1, 7574980), (2, 3787490), (4, 1893745), (5, 1514996), (7, 1082140), (10, 757498), (14, 541070), (20, 378749), (28, 270535), (35, 216428), (61, 124180), (70, 108214), (122, 62090), (140, 54107), (244, 31045), (305, 24836), (427, 17740), (610, 12418), (854, 8870), (887, 8540), (1220, 6209), (1708, 4435), (1774, 4270), (2135, 3548)]