450202880

素因数分解:

$2^8\times 5^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 1082028192

約数和(自身を除く): 631825312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 547, 640, 643, 1094, 1280, 1286, 2188, 2572, 2735, 3215, 4376, 5144, 5470, 6430, 8752, 10288, 10940, 12860, 17504, 20576, 21880, 25720, 35008, 41152, 43760, 51440, 70016, 82304, 87520, 102880, 140032, 164608, 175040, 205760, 350080, 351721, 411520, 700160, 703442, 823040, 1406884, 1758605, 2813768, 3517210, 5627536, 7034420, 11255072, 14068840, 22510144, 28137680, 45020288, 56275360, 90040576, 112550720, 225101440, 450202880]

約数ペア:

[(1, 450202880), (2, 225101440), (4, 112550720), (5, 90040576), (8, 56275360), (10, 45020288), (16, 28137680), (20, 22510144), (32, 14068840), (40, 11255072), (64, 7034420), (80, 5627536), (128, 3517210), (160, 2813768), (256, 1758605), (320, 1406884), (547, 823040), (640, 703442), (643, 700160), (1094, 411520), (1280, 351721), (1286, 350080), (2188, 205760), (2572, 175040), (2735, 164608), (3215, 140032), (4376, 102880), (5144, 87520), (5470, 82304), (6430, 70016), (8752, 51440), (10288, 43760), (10940, 41152), (12860, 35008), (17504, 25720), (20576, 21880)]