227749240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{50387}}^1$

素因数の和:50511

約数の個数: 32

約数和(自身を含む): 516980880

約数和(自身を除く): 289231640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 50387, 100774, 201548, 251935, 403096, 503870, 1007740, 2015480, 5693731, 11387462, 22774924, 28468655, 45549848, 56937310, 113874620, 227749240]

約数ペア:

[(1, 227749240), (2, 113874620), (4, 56937310), (5, 45549848), (8, 28468655), (10, 22774924), (20, 11387462), (40, 5693731), (113, 2015480), (226, 1007740), (452, 503870), (565, 403096), (904, 251935), (1130, 201548), (2260, 100774), (4520, 50387)]