388655890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{104759}}^1$

素因数の和:104826

約数の個数: 32

約数和(自身を含む): 814613760

約数和(自身を除く): 425957870

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 104759, 209518, 523795, 733313, 1047590, 1466626, 3666565, 5552227, 7333130, 11104454, 27761135, 38865589, 55522270, 77731178, 194327945, 388655890]

約数ペア:

[(1, 388655890), (2, 194327945), (5, 77731178), (7, 55522270), (10, 38865589), (14, 27761135), (35, 11104454), (53, 7333130), (70, 5552227), (106, 3666565), (265, 1466626), (371, 1047590), (530, 733313), (742, 523795), (1855, 209518), (3710, 104759)]