669486290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{77041}}^1$

素因数の和:77138

約数の個数: 32

約数和(自身を含む): 1331285760

約数和(自身を除く): 661799470

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 77041, 154082, 385205, 770410, 847451, 1694902, 4237255, 6086239, 8474510, 12172478, 30431195, 60862390, 66948629, 133897258, 334743145, 669486290]

約数ペア:

[(1, 669486290), (2, 334743145), (5, 133897258), (10, 66948629), (11, 60862390), (22, 30431195), (55, 12172478), (79, 8474510), (110, 6086239), (158, 4237255), (395, 1694902), (790, 847451), (869, 770410), (1738, 385205), (4345, 154082), (8690, 77041)]