940400

素因数分解:

$2^4\times 5^2\times {\mathrm{2351}}^1$

素因数の和:2369

約数の個数: 30

約数和(自身を含む): 2260272

約数和(自身を除く): 1319872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2351, 4702, 9404, 11755, 18808, 23510, 37616, 47020, 58775, 94040, 117550, 188080, 235100, 470200, 940400]

約数ペア:

[(1, 940400), (2, 470200), (4, 235100), (5, 188080), (8, 117550), (10, 94040), (16, 58775), (20, 47020), (25, 37616), (40, 23510), (50, 18808), (80, 11755), (100, 9404), (200, 4702), (400, 2351)]