138162500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{1579}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 345602880

約数和(自身を除く): 207440380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1579, 1750, 2500, 3125, 3158, 3500, 4375, 6250, 6316, 7895, 8750, 11053, 12500, 15790, 17500, 21875, 22106, 31580, 39475, 43750, 44212, 55265, 78950, 87500, 110530, 157900, 197375, 221060, 276325, 394750, 552650, 789500, 986875, 1105300, 1381625, 1973750, 2763250, 3947500, 4934375, 5526500, 6908125, 9868750, 13816250, 19737500, 27632500, 34540625, 69081250, 138162500]

約数ペア:

[(1, 138162500), (2, 69081250), (4, 34540625), (5, 27632500), (7, 19737500), (10, 13816250), (14, 9868750), (20, 6908125), (25, 5526500), (28, 4934375), (35, 3947500), (50, 2763250), (70, 1973750), (100, 1381625), (125, 1105300), (140, 986875), (175, 789500), (250, 552650), (350, 394750), (500, 276325), (625, 221060), (700, 197375), (875, 157900), (1250, 110530), (1579, 87500), (1750, 78950), (2500, 55265), (3125, 44212), (3158, 43750), (3500, 39475), (4375, 31580), (6250, 22106), (6316, 21875), (7895, 17500), (8750, 15790), (11053, 12500)]