220301440

素因数分解:

$2^7\times 5^1\times {\mathrm{344221}}^1$

素因数の和:344240

約数の個数: 32

約数和(自身を含む): 526659660

約数和(自身を除く): 306358220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 344221, 688442, 1376884, 1721105, 2753768, 3442210, 5507536, 6884420, 11015072, 13768840, 22030144, 27537680, 44060288, 55075360, 110150720, 220301440]

約数ペア:

[(1, 220301440), (2, 110150720), (4, 55075360), (5, 44060288), (8, 27537680), (10, 22030144), (16, 13768840), (20, 11015072), (32, 6884420), (40, 5507536), (64, 3442210), (80, 2753768), (128, 1721105), (160, 1376884), (320, 688442), (640, 344221)]