664103660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{274423}}^1$

素因数の和:274454

約数の個数: 36

約数和(自身を含む): 1532932464

約数和(自身を除く): 868828804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 274423, 548846, 1097692, 1372115, 2744230, 3018653, 5488460, 6037306, 12074612, 15093265, 30186530, 33205183, 60373060, 66410366, 132820732, 166025915, 332051830, 664103660]

約数ペア:

[(1, 664103660), (2, 332051830), (4, 166025915), (5, 132820732), (10, 66410366), (11, 60373060), (20, 33205183), (22, 30186530), (44, 15093265), (55, 12074612), (110, 6037306), (121, 5488460), (220, 3018653), (242, 2744230), (484, 1372115), (605, 1097692), (1210, 548846), (2420, 274423)]