122800000

素因数分解:

$2^7\times 5^5\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 306777240

約数和(自身を除く): 183977240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 307, 320, 400, 500, 614, 625, 640, 800, 1000, 1228, 1250, 1535, 1600, 2000, 2456, 2500, 3070, 3125, 3200, 4000, 4912, 5000, 6140, 6250, 7675, 8000, 9824, 10000, 12280, 12500, 15350, 16000, 19648, 20000, 24560, 25000, 30700, 38375, 39296, 40000, 49120, 50000, 61400, 76750, 80000, 98240, 100000, 122800, 153500, 191875, 196480, 200000, 245600, 307000, 383750, 400000, 491200, 614000, 767500, 959375, 982400, 1228000, 1535000, 1918750, 2456000, 3070000, 3837500, 4912000, 6140000, 7675000, 12280000, 15350000, 24560000, 30700000, 61400000, 122800000]

約数ペア:

[(1, 122800000), (2, 61400000), (4, 30700000), (5, 24560000), (8, 15350000), (10, 12280000), (16, 7675000), (20, 6140000), (25, 4912000), (32, 3837500), (40, 3070000), (50, 2456000), (64, 1918750), (80, 1535000), (100, 1228000), (125, 982400), (128, 959375), (160, 767500), (200, 614000), (250, 491200), (307, 400000), (320, 383750), (400, 307000), (500, 245600), (614, 200000), (625, 196480), (640, 191875), (800, 153500), (1000, 122800), (1228, 100000), (1250, 98240), (1535, 80000), (1600, 76750), (2000, 61400), (2456, 50000), (2500, 49120), (3070, 40000), (3125, 39296), (3200, 38375), (4000, 30700), (4912, 25000), (5000, 24560), (6140, 20000), (6250, 19648), (7675, 16000), (8000, 15350), (9824, 12500), (10000, 12280)]