420080980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{51607}}^1$

素因数の和:51664

約数の個数: 48

約数和(自身を含む): 988396416

約数和(自身を除く): 568315436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 51607, 103214, 206428, 258035, 516070, 567677, 1032140, 1135354, 1909459, 2270708, 2838385, 3818918, 5676770, 7637836, 9547295, 11353540, 19094590, 21004049, 38189180, 42008098, 84016196, 105020245, 210040490, 420080980]

約数ペア:

[(1, 420080980), (2, 210040490), (4, 105020245), (5, 84016196), (10, 42008098), (11, 38189180), (20, 21004049), (22, 19094590), (37, 11353540), (44, 9547295), (55, 7637836), (74, 5676770), (110, 3818918), (148, 2838385), (185, 2270708), (220, 1909459), (370, 1135354), (407, 1032140), (740, 567677), (814, 516070), (1628, 258035), (2035, 206428), (4070, 103214), (8140, 51607)]