257072820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{147743}}^1$

素因数の和:147784

約数の個数: 48

約数和(自身を含む): 744629760

約数和(自身を除く): 487556940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 147743, 295486, 443229, 590972, 738715, 886458, 1477430, 1772916, 2216145, 2954860, 4284547, 4432290, 8569094, 8864580, 12853641, 17138188, 21422735, 25707282, 42845470, 51414564, 64268205, 85690940, 128536410, 257072820]

約数ペア:

[(1, 257072820), (2, 128536410), (3, 85690940), (4, 64268205), (5, 51414564), (6, 42845470), (10, 25707282), (12, 21422735), (15, 17138188), (20, 12853641), (29, 8864580), (30, 8569094), (58, 4432290), (60, 4284547), (87, 2954860), (116, 2216145), (145, 1772916), (174, 1477430), (290, 886458), (348, 738715), (435, 590972), (580, 443229), (870, 295486), (1740, 147743)]