229681280

素因数分解:

$2^7\times 5^1\times {\mathrm{358877}}^1$

素因数の和:358896

約数の個数: 32

約数和(自身を含む): 549083340

約数和(自身を除く): 319402060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 358877, 717754, 1435508, 1794385, 2871016, 3588770, 5742032, 7177540, 11484064, 14355080, 22968128, 28710160, 45936256, 57420320, 114840640, 229681280]

約数ペア:

[(1, 229681280), (2, 114840640), (4, 57420320), (5, 45936256), (8, 28710160), (10, 22968128), (16, 14355080), (20, 11484064), (32, 7177540), (40, 5742032), (64, 3588770), (80, 2871016), (128, 1794385), (160, 1435508), (320, 717754), (640, 358877)]