28503500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 62942880

約数和(自身を除く): 34439380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 523, 545, 1046, 1090, 2092, 2180, 2615, 2725, 5230, 5450, 10460, 10900, 13075, 13625, 26150, 27250, 52300, 54500, 57007, 65375, 114014, 130750, 228028, 261500, 285035, 570070, 1140140, 1425175, 2850350, 5700700, 7125875, 14251750, 28503500]

約数ペア:

[(1, 28503500), (2, 14251750), (4, 7125875), (5, 5700700), (10, 2850350), (20, 1425175), (25, 1140140), (50, 570070), (100, 285035), (109, 261500), (125, 228028), (218, 130750), (250, 114014), (436, 65375), (500, 57007), (523, 54500), (545, 52300), (1046, 27250), (1090, 26150), (2092, 13625), (2180, 13075), (2615, 10900), (2725, 10460), (5230, 5450)]