4850500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 10810800

約数和(自身を除く): 5960300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 109, 125, 178, 218, 250, 356, 436, 445, 500, 545, 890, 1090, 1780, 2180, 2225, 2725, 4450, 5450, 8900, 9701, 10900, 11125, 13625, 19402, 22250, 27250, 38804, 44500, 48505, 54500, 97010, 194020, 242525, 485050, 970100, 1212625, 2425250, 4850500]

約数ペア:

[(1, 4850500), (2, 2425250), (4, 1212625), (5, 970100), (10, 485050), (20, 242525), (25, 194020), (50, 97010), (89, 54500), (100, 48505), (109, 44500), (125, 38804), (178, 27250), (218, 22250), (250, 19402), (356, 13625), (436, 11125), (445, 10900), (500, 9701), (545, 8900), (890, 5450), (1090, 4450), (1780, 2725), (2180, 2225)]