13709140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 31029264

約数和(自身を除く): 17320124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 661, 1037, 1220, 1322, 2074, 2644, 3305, 4148, 5185, 6610, 10370, 11237, 13220, 20740, 22474, 40321, 44948, 56185, 80642, 112370, 161284, 201605, 224740, 403210, 685457, 806420, 1370914, 2741828, 3427285, 6854570, 13709140]

約数ペア:

[(1, 13709140), (2, 6854570), (4, 3427285), (5, 2741828), (10, 1370914), (17, 806420), (20, 685457), (34, 403210), (61, 224740), (68, 201605), (85, 161284), (122, 112370), (170, 80642), (244, 56185), (305, 44948), (340, 40321), (610, 22474), (661, 20740), (1037, 13220), (1220, 11237), (1322, 10370), (2074, 6610), (2644, 5185), (3305, 4148)]