158515000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 120

約数和(自身を含む): 432705240

約数和(自身を除く): 274190240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 647, 700, 875, 980, 1000, 1225, 1250, 1294, 1400, 1750, 1960, 2450, 2500, 2588, 3235, 3500, 4375, 4529, 4900, 5000, 5176, 6125, 6470, 7000, 8750, 9058, 9800, 12250, 12940, 16175, 17500, 18116, 22645, 24500, 25880, 30625, 31703, 32350, 35000, 36232, 45290, 49000, 61250, 63406, 64700, 80875, 90580, 113225, 122500, 126812, 129400, 158515, 161750, 181160, 226450, 245000, 253624, 317030, 323500, 404375, 452900, 566125, 634060, 647000, 792575, 808750, 905800, 1132250, 1268120, 1585150, 1617500, 2264500, 2830625, 3170300, 3235000, 3962875, 4529000, 5661250, 6340600, 7925750, 11322500, 15851500, 19814375, 22645000, 31703000, 39628750, 79257500, 158515000]

約数ペア:

[(1, 158515000), (2, 79257500), (4, 39628750), (5, 31703000), (7, 22645000), (8, 19814375), (10, 15851500), (14, 11322500), (20, 7925750), (25, 6340600), (28, 5661250), (35, 4529000), (40, 3962875), (49, 3235000), (50, 3170300), (56, 2830625), (70, 2264500), (98, 1617500), (100, 1585150), (125, 1268120), (140, 1132250), (175, 905800), (196, 808750), (200, 792575), (245, 647000), (250, 634060), (280, 566125), (350, 452900), (392, 404375), (490, 323500), (500, 317030), (625, 253624), (647, 245000), (700, 226450), (875, 181160), (980, 161750), (1000, 158515), (1225, 129400), (1250, 126812), (1294, 122500), (1400, 113225), (1750, 90580), (1960, 80875), (2450, 64700), (2500, 63406), (2588, 61250), (3235, 49000), (3500, 45290), (4375, 36232), (4529, 35000), (4900, 32350), (5000, 31703), (5176, 30625), (6125, 25880), (6470, 24500), (7000, 22645), (8750, 18116), (9058, 17500), (9800, 16175), (12250, 12940)]