200820400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{45641}}^1$

素因数の和:45670

約数の個数: 60

約数和(自身を含む): 526343544

約数和(自身を除く): 325523144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 45641, 91282, 182564, 228205, 365128, 456410, 502051, 730256, 912820, 1004102, 1141025, 1825640, 2008204, 2282050, 2510255, 3651280, 4016408, 4564100, 5020510, 8032816, 9128200, 10041020, 12551275, 18256400, 20082040, 25102550, 40164080, 50205100, 100410200, 200820400]

約数ペア:

[(1, 200820400), (2, 100410200), (4, 50205100), (5, 40164080), (8, 25102550), (10, 20082040), (11, 18256400), (16, 12551275), (20, 10041020), (22, 9128200), (25, 8032816), (40, 5020510), (44, 4564100), (50, 4016408), (55, 3651280), (80, 2510255), (88, 2282050), (100, 2008204), (110, 1825640), (176, 1141025), (200, 1004102), (220, 912820), (275, 730256), (400, 502051), (440, 456410), (550, 365128), (880, 228205), (1100, 182564), (2200, 91282), (4400, 45641)]