28450500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1494

約数の個数: 96

約数和(自身を含む): 89281920

約数和(自身を除く): 60831420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1300, 1459, 1500, 1625, 1950, 2918, 3250, 3900, 4377, 4875, 5836, 6500, 7295, 8754, 9750, 14590, 17508, 18967, 19500, 21885, 29180, 36475, 37934, 43770, 56901, 72950, 75868, 87540, 94835, 109425, 113802, 145900, 182375, 189670, 218850, 227604, 284505, 364750, 379340, 437700, 474175, 547125, 569010, 729500, 948350, 1094250, 1138020, 1422525, 1896700, 2188500, 2370875, 2845050, 4741750, 5690100, 7112625, 9483500, 14225250, 28450500]

約数ペア:

[(1, 28450500), (2, 14225250), (3, 9483500), (4, 7112625), (5, 5690100), (6, 4741750), (10, 2845050), (12, 2370875), (13, 2188500), (15, 1896700), (20, 1422525), (25, 1138020), (26, 1094250), (30, 948350), (39, 729500), (50, 569010), (52, 547125), (60, 474175), (65, 437700), (75, 379340), (78, 364750), (100, 284505), (125, 227604), (130, 218850), (150, 189670), (156, 182375), (195, 145900), (250, 113802), (260, 109425), (300, 94835), (325, 87540), (375, 75868), (390, 72950), (500, 56901), (650, 43770), (750, 37934), (780, 36475), (975, 29180), (1300, 21885), (1459, 19500), (1500, 18967), (1625, 17508), (1950, 14590), (2918, 9750), (3250, 8754), (3900, 7295), (4377, 6500), (4875, 5836)]