199776420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1109869}}^1$

素因数の和:1109884

約数の個数: 36

約数和(自身を含む): 605989020

約数和(自身を除く): 406212600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1109869, 2219738, 3329607, 4439476, 5549345, 6659214, 9988821, 11098690, 13318428, 16648035, 19977642, 22197380, 33296070, 39955284, 49944105, 66592140, 99888210, 199776420]

約数ペア:

[(1, 199776420), (2, 99888210), (3, 66592140), (4, 49944105), (5, 39955284), (6, 33296070), (9, 22197380), (10, 19977642), (12, 16648035), (15, 13318428), (18, 11098690), (20, 9988821), (30, 6659214), (36, 5549345), (45, 4439476), (60, 3329607), (90, 2219738), (180, 1109869)]