30208400

素因数分解:

$2^4\times 5^2\times {\mathrm{75521}}^1$

素因数の和:75539

約数の個数: 30

約数和(自身を含む): 72576642

約数和(自身を除く): 42368242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 75521, 151042, 302084, 377605, 604168, 755210, 1208336, 1510420, 1888025, 3020840, 3776050, 6041680, 7552100, 15104200, 30208400]

約数ペア:

[(1, 30208400), (2, 15104200), (4, 7552100), (5, 6041680), (8, 3776050), (10, 3020840), (16, 1888025), (20, 1510420), (25, 1208336), (40, 755210), (50, 604168), (80, 377605), (100, 302084), (200, 151042), (400, 75521)]