201029390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199039}}^1$

素因数の和:199147

約数の個数: 16

約数和(自身を含む): 365437440

約数和(自身を除く): 164408050

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 199039, 398078, 995195, 1990390, 20102939, 40205878, 100514695, 201029390]

約数ペア:

[(1, 201029390), (2, 100514695), (5, 40205878), (10, 20102939), (101, 1990390), (202, 995195), (505, 398078), (1010, 199039)]