138157040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246709}}^1$

素因数の和:246729

約数の個数: 40

約数和(自身を含む): 367104480

約数和(自身を除く): 228947440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246709, 493418, 986836, 1233545, 1726963, 1973672, 2467090, 3453926, 3947344, 4934180, 6907852, 8634815, 9868360, 13815704, 17269630, 19736720, 27631408, 34539260, 69078520, 138157040]

約数ペア:

[(1, 138157040), (2, 69078520), (4, 34539260), (5, 27631408), (7, 19736720), (8, 17269630), (10, 13815704), (14, 9868360), (16, 8634815), (20, 6907852), (28, 4934180), (35, 3947344), (40, 3453926), (56, 2467090), (70, 1973672), (80, 1726963), (112, 1233545), (140, 986836), (280, 493418), (560, 246709)]