138387970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{7517}}^1$

素因数の和:7794

約数の個数: 32

約数和(自身を含む): 285804288

約数和(自身を除く): 147416318

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 7517, 9205, 15034, 18410, 37585, 52619, 75170, 105238, 263095, 526190, 1976971, 3953942, 9884855, 13838797, 19769710, 27677594, 69193985, 138387970]

約数ペア:

[(1, 138387970), (2, 69193985), (5, 27677594), (7, 19769710), (10, 13838797), (14, 9884855), (35, 3953942), (70, 1976971), (263, 526190), (526, 263095), (1315, 105238), (1841, 75170), (2630, 52619), (3682, 37585), (7517, 18410), (9205, 15034)]