81392500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4651}}^1$

素因数の和:4682

約数の個数: 60

約数和(自身を含む): 203459872

約数和(自身を除く): 122067372

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, 1750, 2500, 3500, 4375, 4651, 8750, 9302, 17500, 18604, 23255, 32557, 46510, 65114, 93020, 116275, 130228, 162785, 232550, 325570, 465100, 581375, 651140, 813925, 1162750, 1627850, 2325500, 2906875, 3255700, 4069625, 5813750, 8139250, 11627500, 16278500, 20348125, 40696250, 81392500]

約数ペア:

[(1, 81392500), (2, 40696250), (4, 20348125), (5, 16278500), (7, 11627500), (10, 8139250), (14, 5813750), (20, 4069625), (25, 3255700), (28, 2906875), (35, 2325500), (50, 1627850), (70, 1162750), (100, 813925), (125, 651140), (140, 581375), (175, 465100), (250, 325570), (350, 232550), (500, 162785), (625, 130228), (700, 116275), (875, 93020), (1250, 65114), (1750, 46510), (2500, 32557), (3500, 23255), (4375, 18604), (4651, 17500), (8750, 9302)]