28522340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18521}}^1$

素因数の和:18548

約数の個数: 48

約数和(自身を含む): 74680704

約数和(自身を除く): 46158364

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, 18521, 37042, 74084, 92605, 129647, 185210, 203731, 259294, 370420, 407462, 518588, 648235, 814924, 1018655, 1296470, 1426117, 2037310, 2592940, 2852234, 4074620, 5704468, 7130585, 14261170, 28522340]

約数ペア:

[(1, 28522340), (2, 14261170), (4, 7130585), (5, 5704468), (7, 4074620), (10, 2852234), (11, 2592940), (14, 2037310), (20, 1426117), (22, 1296470), (28, 1018655), (35, 814924), (44, 648235), (55, 518588), (70, 407462), (77, 370420), (110, 259294), (140, 203731), (154, 185210), (220, 129647), (308, 92605), (385, 74084), (770, 37042), (1540, 18521)]