138400765

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{1999}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 169632000

約数和(自身を除く): 31231235

約数列:

[1, 5, 61, 227, 305, 1135, 1999, 9995, 13847, 69235, 121939, 453773, 609695, 2268865, 27680153, 138400765]

約数ペア:

[(1, 138400765), (5, 27680153), (61, 2268865), (227, 609695), (305, 453773), (1135, 121939), (1999, 69235), (9995, 13847)]