91440400

素因数分解:

$2^4\times 5^2\times {\mathrm{228601}}^1$

素因数の和:228619

約数の個数: 30

約数和(自身を含む): 219686522

約数和(自身を除く): 128246122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 228601, 457202, 914404, 1143005, 1828808, 2286010, 3657616, 4572020, 5715025, 9144040, 11430050, 18288080, 22860100, 45720200, 91440400]

約数ペア:

[(1, 91440400), (2, 45720200), (4, 22860100), (5, 18288080), (8, 11430050), (10, 9144040), (16, 5715025), (20, 4572020), (25, 3657616), (40, 2286010), (50, 1828808), (80, 1143005), (100, 914404), (200, 457202), (400, 228601)]