28649500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5209}}^1$

素因数の和:5239

約数の個数: 48

約数和(自身を含む): 68271840

約数和(自身を除く): 39622340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5209, 5500, 10418, 20836, 26045, 52090, 57299, 104180, 114598, 130225, 229196, 260450, 286495, 520900, 572990, 651125, 1145980, 1302250, 1432475, 2604500, 2864950, 5729900, 7162375, 14324750, 28649500]

約数ペア:

[(1, 28649500), (2, 14324750), (4, 7162375), (5, 5729900), (10, 2864950), (11, 2604500), (20, 1432475), (22, 1302250), (25, 1145980), (44, 651125), (50, 572990), (55, 520900), (100, 286495), (110, 260450), (125, 229196), (220, 130225), (250, 114598), (275, 104180), (500, 57299), (550, 52090), (1100, 26045), (1375, 20836), (2750, 10418), (5209, 5500)]