30019700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3373}}^1$

素因数の和:3476

約数の個数: 36

約数和(自身を含む): 65894220

約数和(自身を除く): 35874520

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 3373, 4450, 6746, 8900, 13492, 16865, 33730, 67460, 84325, 168650, 300197, 337300, 600394, 1200788, 1500985, 3001970, 6003940, 7504925, 15009850, 30019700]

約数ペア:

[(1, 30019700), (2, 15009850), (4, 7504925), (5, 6003940), (10, 3001970), (20, 1500985), (25, 1200788), (50, 600394), (89, 337300), (100, 300197), (178, 168650), (356, 84325), (445, 67460), (890, 33730), (1780, 16865), (2225, 13492), (3373, 8900), (4450, 6746)]