387290420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{4987}}^1$

素因数の和:5360

約数の個数: 48

約数和(自身を含む): 889939008

約数和(自身を除く): 502648588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1412, 1765, 3530, 3883, 4987, 7060, 7766, 9974, 15532, 19415, 19948, 24935, 38830, 49870, 54857, 77660, 99740, 109714, 219428, 274285, 548570, 1097140, 1760411, 3520822, 7041644, 8802055, 17604110, 19364521, 35208220, 38729042, 77458084, 96822605, 193645210, 387290420]

約数ペア:

[(1, 387290420), (2, 193645210), (4, 96822605), (5, 77458084), (10, 38729042), (11, 35208220), (20, 19364521), (22, 17604110), (44, 8802055), (55, 7041644), (110, 3520822), (220, 1760411), (353, 1097140), (706, 548570), (1412, 274285), (1765, 219428), (3530, 109714), (3883, 99740), (4987, 77660), (7060, 54857), (7766, 49870), (9974, 38830), (15532, 24935), (19415, 19948)]