145640020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{428353}}^1$

素因数の和:428379

約数の個数: 24

約数和(自身を含む): 323835624

約数和(自身を除く): 178195604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 428353, 856706, 1713412, 2141765, 4283530, 7282001, 8567060, 14564002, 29128004, 36410005, 72820010, 145640020]

約数ペア:

[(1, 145640020), (2, 72820010), (4, 36410005), (5, 29128004), (10, 14564002), (17, 8567060), (20, 7282001), (34, 4283530), (68, 2141765), (85, 1713412), (170, 856706), (340, 428353)]