245920090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{12049}}^1$

素因数の和:12226

約数の個数: 32

約数和(自身を含む): 479782800

約数和(自身を除く): 233862710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 12049, 20410, 24098, 60245, 120490, 156637, 313274, 783185, 1566370, 1891693, 3783386, 9458465, 18916930, 24592009, 49184018, 122960045, 245920090]

約数ペア:

[(1, 245920090), (2, 122960045), (5, 49184018), (10, 24592009), (13, 18916930), (26, 9458465), (65, 3783386), (130, 1891693), (157, 1566370), (314, 783185), (785, 313274), (1570, 156637), (2041, 120490), (4082, 60245), (10205, 24098), (12049, 20410)]