280068910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{68813}}^1$

素因数の和:68868

約数の個数: 32

約数和(自身を含む): 564825312

約数和(自身を除く): 284756402

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 68813, 137626, 344065, 688130, 756943, 1513886, 2546081, 3784715, 5092162, 7569430, 12730405, 25460810, 28006891, 56013782, 140034455, 280068910]

約数ペア:

[(1, 280068910), (2, 140034455), (5, 56013782), (10, 28006891), (11, 25460810), (22, 12730405), (37, 7569430), (55, 5092162), (74, 3784715), (110, 2546081), (185, 1513886), (370, 756943), (407, 688130), (814, 344065), (2035, 137626), (4070, 68813)]