89646740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 191927232

約数和(自身を除く): 102280492

約数列:

[1, 2, 4, 5, 10, 20, 107, 163, 214, 257, 326, 428, 514, 535, 652, 815, 1028, 1070, 1285, 1630, 2140, 2570, 3260, 5140, 17441, 27499, 34882, 41891, 54998, 69764, 83782, 87205, 109996, 137495, 167564, 174410, 209455, 274990, 348820, 418910, 549980, 837820, 4482337, 8964674, 17929348, 22411685, 44823370, 89646740]

約数ペア:

[(1, 89646740), (2, 44823370), (4, 22411685), (5, 17929348), (10, 8964674), (20, 4482337), (107, 837820), (163, 549980), (214, 418910), (257, 348820), (326, 274990), (428, 209455), (514, 174410), (535, 167564), (652, 137495), (815, 109996), (1028, 87205), (1070, 83782), (1285, 69764), (1630, 54998), (2140, 41891), (2570, 34882), (3260, 27499), (5140, 17441)]