1440780208

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{81937}}^1$

素因数の和:82109

約数の個数: 40

約数和(自身を含む): 3210658592

約数和(自身を除く): 1769878384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 17584, 81937, 163874, 327748, 573559, 655496, 1147118, 1310992, 2294236, 4588472, 9176944, 12864109, 25728218, 51456436, 90048763, 102912872, 180097526, 205825744, 360195052, 720390104, 1440780208]

約数ペア:

[(1, 1440780208), (2, 720390104), (4, 360195052), (7, 205825744), (8, 180097526), (14, 102912872), (16, 90048763), (28, 51456436), (56, 25728218), (112, 12864109), (157, 9176944), (314, 4588472), (628, 2294236), (1099, 1310992), (1256, 1147118), (2198, 655496), (2512, 573559), (4396, 327748), (8792, 163874), (17584, 81937)]