381015320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1360769}}^1$

素因数の和:1360787

約数の個数: 32

約数和(自身を含む): 979754400

約数和(自身を除く): 598739080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1360769, 2721538, 5443076, 6803845, 9525383, 10886152, 13607690, 19050766, 27215380, 38101532, 47626915, 54430760, 76203064, 95253830, 190507660, 381015320]

約数ペア:

[(1, 381015320), (2, 190507660), (4, 95253830), (5, 76203064), (7, 54430760), (8, 47626915), (10, 38101532), (14, 27215380), (20, 19050766), (28, 13607690), (35, 10886152), (40, 9525383), (56, 6803845), (70, 5443076), (140, 2721538), (280, 1360769)]