138889730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1984139}}^1$

素因数の和:1984153

約数の個数: 16

約数和(自身を含む): 285716160

約数和(自身を除く): 146826430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1984139, 3968278, 9920695, 13888973, 19841390, 27777946, 69444865, 138889730]

約数ペア:

[(1, 138889730), (2, 69444865), (5, 27777946), (7, 19841390), (10, 13888973), (14, 9920695), (35, 3968278), (70, 1984139)]