812587770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{209971}}^1$

素因数の和:210027

約数の個数: 48

約数和(自身を含む): 2161871712

約数和(自身を除く): 1349283942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 209971, 419942, 629913, 1049855, 1259826, 1889739, 2099710, 3149565, 3779478, 6299130, 9028753, 9448695, 18057506, 18897390, 27086259, 45143765, 54172518, 81258777, 90287530, 135431295, 162517554, 270862590, 406293885, 812587770]

約数ペア:

[(1, 812587770), (2, 406293885), (3, 270862590), (5, 162517554), (6, 135431295), (9, 90287530), (10, 81258777), (15, 54172518), (18, 45143765), (30, 27086259), (43, 18897390), (45, 18057506), (86, 9448695), (90, 9028753), (129, 6299130), (215, 3779478), (258, 3149565), (387, 2099710), (430, 1889739), (645, 1259826), (774, 1049855), (1290, 629913), (1935, 419942), (3870, 209971)]