317386240

素因数分解:

$2^9\times 5^1\times {\mathrm{123979}}^1$

素因数の和:124002

約数の個数: 40

約数和(自身を含む): 760989240

約数和(自身を除く): 443603000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 123979, 247958, 495916, 619895, 991832, 1239790, 1983664, 2479580, 3967328, 4959160, 7934656, 9918320, 15869312, 19836640, 31738624, 39673280, 63477248, 79346560, 158693120, 317386240]

約数ペア:

[(1, 317386240), (2, 158693120), (4, 79346560), (5, 63477248), (8, 39673280), (10, 31738624), (16, 19836640), (20, 15869312), (32, 9918320), (40, 7934656), (64, 4959160), (80, 3967328), (128, 2479580), (160, 1983664), (256, 1239790), (320, 991832), (512, 619895), (640, 495916), (1280, 247958), (2560, 123979)]