203943460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1456739}}^1$

素因数の和:1456755

約数の個数: 24

約数和(自身を含む): 489464640

約数和(自身を除く): 285521180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1456739, 2913478, 5826956, 7283695, 10197173, 14567390, 20394346, 29134780, 40788692, 50985865, 101971730, 203943460]

約数ペア:

[(1, 203943460), (2, 101971730), (4, 50985865), (5, 40788692), (7, 29134780), (10, 20394346), (14, 14567390), (20, 10197173), (28, 7283695), (35, 5826956), (70, 2913478), (140, 1456739)]