42801340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 92850912

約数和(自身を除く): 50049572

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 317, 430, 628, 634, 785, 860, 1268, 1570, 1585, 3140, 3170, 6340, 6751, 13502, 13631, 27004, 27262, 33755, 49769, 54524, 67510, 68155, 99538, 135020, 136310, 199076, 248845, 272620, 497690, 995380, 2140067, 4280134, 8560268, 10700335, 21400670, 42801340]

約数ペア:

[(1, 42801340), (2, 21400670), (4, 10700335), (5, 8560268), (10, 4280134), (20, 2140067), (43, 995380), (86, 497690), (157, 272620), (172, 248845), (215, 199076), (314, 136310), (317, 135020), (430, 99538), (628, 68155), (634, 67510), (785, 54524), (860, 49769), (1268, 33755), (1570, 27262), (1585, 27004), (3140, 13631), (3170, 13502), (6340, 6751)]