1458258140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{12377}}^1$

素因数の和:12566

約数の個数: 48

約数和(自身を含む): 3156687072

約数和(自身を除く): 1698428932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 685, 860, 1370, 2740, 5891, 11782, 12377, 23564, 24754, 29455, 49508, 58910, 61885, 117820, 123770, 247540, 532211, 1064422, 1695649, 2128844, 2661055, 3391298, 5322110, 6782596, 8478245, 10644220, 16956490, 33912980, 72912907, 145825814, 291651628, 364564535, 729129070, 1458258140]

約数ペア:

[(1, 1458258140), (2, 729129070), (4, 364564535), (5, 291651628), (10, 145825814), (20, 72912907), (43, 33912980), (86, 16956490), (137, 10644220), (172, 8478245), (215, 6782596), (274, 5322110), (430, 3391298), (548, 2661055), (685, 2128844), (860, 1695649), (1370, 1064422), (2740, 532211), (5891, 247540), (11782, 123770), (12377, 117820), (23564, 61885), (24754, 58910), (29455, 49508)]