272717380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28349}}^1$

素因数の和:28408

約数の個数: 48

約数和(自身を含む): 633452400

約数和(自身を除く): 360735020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 28349, 56698, 113396, 141745, 283490, 368537, 566980, 737074, 1048913, 1474148, 1842685, 2097826, 3685370, 4195652, 5244565, 7370740, 10489130, 13635869, 20978260, 27271738, 54543476, 68179345, 136358690, 272717380]

約数ペア:

[(1, 272717380), (2, 136358690), (4, 68179345), (5, 54543476), (10, 27271738), (13, 20978260), (20, 13635869), (26, 10489130), (37, 7370740), (52, 5244565), (65, 4195652), (74, 3685370), (130, 2097826), (148, 1842685), (185, 1474148), (260, 1048913), (370, 737074), (481, 566980), (740, 368537), (962, 283490), (1924, 141745), (2405, 113396), (4810, 56698), (9620, 28349)]