378257840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{44189}}^1$

素因数の和:44309

約数の個数: 40

約数和(自身を含む): 887688720

約数和(自身を除く): 509430880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 44189, 88378, 176756, 220945, 353512, 441890, 707024, 883780, 1767560, 3535120, 4728223, 9456446, 18912892, 23641115, 37825784, 47282230, 75651568, 94564460, 189128920, 378257840]

約数ペア:

[(1, 378257840), (2, 189128920), (4, 94564460), (5, 75651568), (8, 47282230), (10, 37825784), (16, 23641115), (20, 18912892), (40, 9456446), (80, 4728223), (107, 3535120), (214, 1767560), (428, 883780), (535, 707024), (856, 441890), (1070, 353512), (1712, 220945), (2140, 176756), (4280, 88378), (8560, 44189)]