28986100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 73932768

約数和(自身を除く): 44946668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2027, 2860, 3575, 4054, 7150, 8108, 10135, 14300, 20270, 22297, 26351, 40540, 44594, 50675, 52702, 89188, 101350, 105404, 111485, 131755, 202700, 222970, 263510, 289861, 445940, 527020, 557425, 579722, 658775, 1114850, 1159444, 1317550, 1449305, 2229700, 2635100, 2898610, 5797220, 7246525, 14493050, 28986100]

約数ペア:

[(1, 28986100), (2, 14493050), (4, 7246525), (5, 5797220), (10, 2898610), (11, 2635100), (13, 2229700), (20, 1449305), (22, 1317550), (25, 1159444), (26, 1114850), (44, 658775), (50, 579722), (52, 557425), (55, 527020), (65, 445940), (100, 289861), (110, 263510), (130, 222970), (143, 202700), (220, 131755), (260, 111485), (275, 105404), (286, 101350), (325, 89188), (550, 52702), (572, 50675), (650, 44594), (715, 40540), (1100, 26351), (1300, 22297), (1430, 20270), (2027, 14300), (2860, 10135), (3575, 8108), (4054, 7150)]