200890090

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{110989}}^1$

素因数の和:111177

約数の個数: 16

約数和(自身を含む): 363603240

約数和(自身を除く): 162713150

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 110989, 221978, 554945, 1109890, 20089009, 40178018, 100445045, 200890090]

約数ペア:

[(1, 200890090), (2, 100445045), (5, 40178018), (10, 20089009), (181, 1109890), (362, 554945), (905, 221978), (1810, 110989)]