201330380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72421}}^1$

素因数の和:72569

約数の個数: 24

約数和(自身を含む): 425841360

約数和(自身を除く): 224510980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72421, 144842, 289684, 362105, 724210, 1448420, 10066519, 20133038, 40266076, 50332595, 100665190, 201330380]

約数ペア:

[(1, 201330380), (2, 100665190), (4, 50332595), (5, 40266076), (10, 20133038), (20, 10066519), (139, 1448420), (278, 724210), (556, 362105), (695, 289684), (1390, 144842), (2780, 72421)]