8721230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4064

約数の個数: 32

約数和(自身を含む): 18524160

約数和(自身を除く): 9802930

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 4019, 8038, 20095, 28133, 40190, 56266, 124589, 140665, 249178, 281330, 622945, 872123, 1245890, 1744246, 4360615, 8721230]

約数ペア:

[(1, 8721230), (2, 4360615), (5, 1744246), (7, 1245890), (10, 872123), (14, 622945), (31, 281330), (35, 249178), (62, 140665), (70, 124589), (155, 56266), (217, 40190), (310, 28133), (434, 20095), (1085, 8038), (2170, 4019)]