209466740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5521}}^1$

素因数の和:5808

約数の個数: 48

約数和(自身を含む): 504666624

約数和(自身を除く): 295199884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 5420, 5521, 7588, 9485, 11042, 18970, 22084, 27605, 37940, 38647, 55210, 77294, 110420, 154588, 193235, 386470, 772940, 1496191, 2992382, 5984764, 7480955, 10473337, 14961910, 20946674, 29923820, 41893348, 52366685, 104733370, 209466740]

約数ペア:

[(1, 209466740), (2, 104733370), (4, 52366685), (5, 41893348), (7, 29923820), (10, 20946674), (14, 14961910), (20, 10473337), (28, 7480955), (35, 5984764), (70, 2992382), (140, 1496191), (271, 772940), (542, 386470), (1084, 193235), (1355, 154588), (1897, 110420), (2710, 77294), (3794, 55210), (5420, 38647), (5521, 37940), (7588, 27605), (9485, 22084), (11042, 18970)]