1526140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 2473604

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, 991, 1540, 1982, 3964, 4955, 6937, 9910, 10901, 13874, 19820, 21802, 27748, 34685, 43604, 54505, 69370, 76307, 109010, 138740, 152614, 218020, 305228, 381535, 763070, 1526140]

約数ペア:

[(1, 1526140), (2, 763070), (4, 381535), (5, 305228), (7, 218020), (10, 152614), (11, 138740), (14, 109010), (20, 76307), (22, 69370), (28, 54505), (35, 43604), (44, 34685), (55, 27748), (70, 21802), (77, 19820), (110, 13874), (140, 10901), (154, 9910), (220, 6937), (308, 4955), (385, 3964), (770, 1982), (991, 1540)]