2018680930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67537}}^1$

素因数の和:67619

約数の個数: 48

約数和(自身を含む): 4296227256

約数和(自身を除く): 2277546326

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 14945, 29890, 67537, 135074, 337685, 472759, 675370, 945518, 2363795, 3309313, 4119757, 4727590, 6618626, 8239514, 16546565, 20598785, 28838299, 33093130, 41197570, 57676598, 144191495, 201868093, 288382990, 403736186, 1009340465, 2018680930]

約数ペア:

[(1, 2018680930), (2, 1009340465), (5, 403736186), (7, 288382990), (10, 201868093), (14, 144191495), (35, 57676598), (49, 41197570), (61, 33093130), (70, 28838299), (98, 20598785), (122, 16546565), (245, 8239514), (305, 6618626), (427, 4727590), (490, 4119757), (610, 3309313), (854, 2363795), (2135, 945518), (2989, 675370), (4270, 472759), (5978, 337685), (14945, 135074), (29890, 67537)]