72404900

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1451}}^1$

素因数の和:1964

約数の個数: 36

約数和(自身を含む): 157542000

約数和(自身を除く): 85137100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1451, 1996, 2495, 2902, 4990, 5804, 7255, 9980, 12475, 14510, 24950, 29020, 36275, 49900, 72550, 145100, 724049, 1448098, 2896196, 3620245, 7240490, 14480980, 18101225, 36202450, 72404900]

約数ペア:

[(1, 72404900), (2, 36202450), (4, 18101225), (5, 14480980), (10, 7240490), (20, 3620245), (25, 2896196), (50, 1448098), (100, 724049), (499, 145100), (998, 72550), (1451, 49900), (1996, 36275), (2495, 29020), (2902, 24950), (4990, 14510), (5804, 12475), (7255, 9980)]