201928985

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{1999}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 246240000

約数和(自身を除く): 44311015

約数列:

[1, 5, 89, 227, 445, 1135, 1999, 9995, 20203, 101015, 177911, 453773, 889555, 2268865, 40385797, 201928985]

約数ペア:

[(1, 201928985), (5, 40385797), (89, 2268865), (227, 889555), (445, 453773), (1135, 177911), (1999, 101015), (9995, 20203)]