156640490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{112691}}^1$

素因数の和:112837

約数の個数: 16

約数和(自身を含む): 283983840

約数和(自身を除く): 127343350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 112691, 225382, 563455, 1126910, 15664049, 31328098, 78320245, 156640490]

約数ペア:

[(1, 156640490), (2, 78320245), (5, 31328098), (10, 15664049), (139, 1126910), (278, 563455), (695, 225382), (1390, 112691)]