629440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{281}}^1$

素因数の和:305

約数の個数: 56

約数和(自身を含む): 1719072

約数和(自身を除く): 1089632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 281, 320, 448, 560, 562, 1120, 1124, 1405, 1967, 2240, 2248, 2810, 3934, 4496, 5620, 7868, 8992, 9835, 11240, 15736, 17984, 19670, 22480, 31472, 39340, 44960, 62944, 78680, 89920, 125888, 157360, 314720, 629440]

約数ペア:

[(1, 629440), (2, 314720), (4, 157360), (5, 125888), (7, 89920), (8, 78680), (10, 62944), (14, 44960), (16, 39340), (20, 31472), (28, 22480), (32, 19670), (35, 17984), (40, 15736), (56, 11240), (64, 9835), (70, 8992), (80, 7868), (112, 5620), (140, 4496), (160, 3934), (224, 2810), (280, 2248), (281, 2240), (320, 1967), (448, 1405), (560, 1124), (562, 1120)]