64680170

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 55070230

約数列:

[1, 2, 5, 10, 43, 86, 215, 349, 430, 431, 698, 862, 1745, 2155, 3490, 4310, 15007, 18533, 30014, 37066, 75035, 92665, 150070, 150419, 185330, 300838, 752095, 1504190, 6468017, 12936034, 32340085, 64680170]

約数ペア:

[(1, 64680170), (2, 32340085), (5, 12936034), (10, 6468017), (43, 1504190), (86, 752095), (215, 300838), (349, 185330), (430, 150419), (431, 150070), (698, 92665), (862, 75035), (1745, 37066), (2155, 30014), (3490, 18533), (4310, 15007)]