30700000

素因数分解:

$2^5\times 5^5\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 75792024

約数和(自身を除く): 45092024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 307, 400, 500, 614, 625, 800, 1000, 1228, 1250, 1535, 2000, 2456, 2500, 3070, 3125, 4000, 4912, 5000, 6140, 6250, 7675, 9824, 10000, 12280, 12500, 15350, 20000, 24560, 25000, 30700, 38375, 49120, 50000, 61400, 76750, 100000, 122800, 153500, 191875, 245600, 307000, 383750, 614000, 767500, 959375, 1228000, 1535000, 1918750, 3070000, 3837500, 6140000, 7675000, 15350000, 30700000]

約数ペア:

[(1, 30700000), (2, 15350000), (4, 7675000), (5, 6140000), (8, 3837500), (10, 3070000), (16, 1918750), (20, 1535000), (25, 1228000), (32, 959375), (40, 767500), (50, 614000), (80, 383750), (100, 307000), (125, 245600), (160, 191875), (200, 153500), (250, 122800), (307, 100000), (400, 76750), (500, 61400), (614, 50000), (625, 49120), (800, 38375), (1000, 30700), (1228, 25000), (1250, 24560), (1535, 20000), (2000, 15350), (2456, 12500), (2500, 12280), (3070, 10000), (3125, 9824), (4000, 7675), (4912, 6250), (5000, 6140)]