157088780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{253369}}^1$

素因数の和:253409

約数の個数: 24

約数和(自身を含む): 340529280

約数和(自身を除く): 183440500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 253369, 506738, 1013476, 1266845, 2533690, 5067380, 7854439, 15708878, 31417756, 39272195, 78544390, 157088780]

約数ペア:

[(1, 157088780), (2, 78544390), (4, 39272195), (5, 31417756), (10, 15708878), (20, 7854439), (31, 5067380), (62, 2533690), (124, 1266845), (155, 1013476), (310, 506738), (620, 253369)]