156766980820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{371257}}^1$

素因数の和:371800

約数の個数: 48

約数和(自身を含む): 337553713728

約数和(自身を除く): 180786732908

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 491, 860, 982, 1964, 2455, 4910, 9820, 21113, 42226, 84452, 105565, 211130, 371257, 422260, 742514, 1485028, 1856285, 3712570, 7425140, 15964051, 31928102, 63856204, 79820255, 159640510, 182287187, 319281020, 364574374, 729148748, 911435935, 1822871870, 3645743740, 7838349041, 15676698082, 31353396164, 39191745205, 78383490410, 156766980820]

約数ペア:

[(1, 156766980820), (2, 78383490410), (4, 39191745205), (5, 31353396164), (10, 15676698082), (20, 7838349041), (43, 3645743740), (86, 1822871870), (172, 911435935), (215, 729148748), (430, 364574374), (491, 319281020), (860, 182287187), (982, 159640510), (1964, 79820255), (2455, 63856204), (4910, 31928102), (9820, 15964051), (21113, 7425140), (42226, 3712570), (84452, 1856285), (105565, 1485028), (211130, 742514), (371257, 422260)]