1388030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 2903040

約数和(自身を除く): 1515010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 251, 395, 502, 553, 790, 1106, 1255, 1757, 2510, 2765, 3514, 5530, 8785, 17570, 19829, 39658, 99145, 138803, 198290, 277606, 694015, 1388030]

約数ペア:

[(1, 1388030), (2, 694015), (5, 277606), (7, 198290), (10, 138803), (14, 99145), (35, 39658), (70, 19829), (79, 17570), (158, 8785), (251, 5530), (395, 3514), (502, 2765), (553, 2510), (790, 1757), (1106, 1255)]