285073280

素因数分解:

$2^7\times 5^1\times {\mathrm{445427}}^1$

素因数の和:445446

約数の個数: 32

約数和(自身を含む): 681504840

約数和(自身を除く): 396431560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 445427, 890854, 1781708, 2227135, 3563416, 4454270, 7126832, 8908540, 14253664, 17817080, 28507328, 35634160, 57014656, 71268320, 142536640, 285073280]

約数ペア:

[(1, 285073280), (2, 142536640), (4, 71268320), (5, 57014656), (8, 35634160), (10, 28507328), (16, 17817080), (20, 14253664), (32, 8908540), (40, 7126832), (64, 4454270), (80, 3563416), (128, 2227135), (160, 1781708), (320, 890854), (640, 445427)]