77980090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{503}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 66809030

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 419, 503, 838, 1006, 2095, 2515, 4190, 5030, 15503, 18611, 31006, 37222, 77515, 93055, 155030, 186110, 210757, 421514, 1053785, 2107570, 7798009, 15596018, 38990045, 77980090]

約数ペア:

[(1, 77980090), (2, 38990045), (5, 15596018), (10, 7798009), (37, 2107570), (74, 1053785), (185, 421514), (370, 210757), (419, 186110), (503, 155030), (838, 93055), (1006, 77515), (2095, 37222), (2515, 31006), (4190, 18611), (5030, 15503)]