68618620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{70019}}^1$

素因数の和:70042

約数の個数: 36

約数和(自身を含む): 167627880

約数和(自身を除く): 99009260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 70019, 140038, 280076, 350095, 490133, 700190, 980266, 1400380, 1960532, 2450665, 3430931, 4901330, 6861862, 9802660, 13723724, 17154655, 34309310, 68618620]

約数ペア:

[(1, 68618620), (2, 34309310), (4, 17154655), (5, 13723724), (7, 9802660), (10, 6861862), (14, 4901330), (20, 3430931), (28, 2450665), (35, 1960532), (49, 1400380), (70, 980266), (98, 700190), (140, 490133), (196, 350095), (245, 280076), (490, 140038), (980, 70019)]