3059980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 8015616

約数和(自身を除く): 4955636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1987, 3974, 7948, 9935, 13909, 19870, 21857, 27818, 39740, 43714, 55636, 69545, 87428, 109285, 139090, 152999, 218570, 278180, 305998, 437140, 611996, 764995, 1529990, 3059980]

約数ペア:

[(1, 3059980), (2, 1529990), (4, 764995), (5, 611996), (7, 437140), (10, 305998), (11, 278180), (14, 218570), (20, 152999), (22, 139090), (28, 109285), (35, 87428), (44, 69545), (55, 55636), (70, 43714), (77, 39740), (110, 27818), (140, 21857), (154, 19870), (220, 13909), (308, 9935), (385, 7948), (770, 3974), (1540, 1987)]