156078440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{557423}}^1$

素因数の和:557441

約数の個数: 32

約数和(自身を含む): 401345280

約数和(自身を除く): 245266840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 557423, 1114846, 2229692, 2787115, 3901961, 4459384, 5574230, 7803922, 11148460, 15607844, 19509805, 22296920, 31215688, 39019610, 78039220, 156078440]

約数ペア:

[(1, 156078440), (2, 78039220), (4, 39019610), (5, 31215688), (7, 22296920), (8, 19509805), (10, 15607844), (14, 11148460), (20, 7803922), (28, 5574230), (35, 4459384), (40, 3901961), (56, 2787115), (70, 2229692), (140, 1114846), (280, 557423)]