2657380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 6241536

約数和(自身を除く): 3584156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 257, 470, 514, 517, 940, 1028, 1034, 1285, 2068, 2570, 2585, 2827, 5140, 5170, 5654, 10340, 11308, 12079, 14135, 24158, 28270, 48316, 56540, 60395, 120790, 132869, 241580, 265738, 531476, 664345, 1328690, 2657380]

約数ペア:

[(1, 2657380), (2, 1328690), (4, 664345), (5, 531476), (10, 265738), (11, 241580), (20, 132869), (22, 120790), (44, 60395), (47, 56540), (55, 48316), (94, 28270), (110, 24158), (188, 14135), (220, 12079), (235, 11308), (257, 10340), (470, 5654), (514, 5170), (517, 5140), (940, 2827), (1028, 2585), (1034, 2570), (1285, 2068)]