281623100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{256021}}^1$

素因数の和:256046

約数の個数: 36

約数和(自身を含む): 666681288

約数和(自身を除く): 385058188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 256021, 512042, 1024084, 1280105, 2560210, 2816231, 5120420, 5632462, 6400525, 11264924, 12801050, 14081155, 25602100, 28162310, 56324620, 70405775, 140811550, 281623100]

約数ペア:

[(1, 281623100), (2, 140811550), (4, 70405775), (5, 56324620), (10, 28162310), (11, 25602100), (20, 14081155), (22, 12801050), (25, 11264924), (44, 6400525), (50, 5632462), (55, 5120420), (100, 2816231), (110, 2560210), (220, 1280105), (275, 1024084), (550, 512042), (1100, 256021)]