219943660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{108883}}^1$

素因数の和:108993

約数の個数: 24

約数和(自身を含む): 466459056

約数和(自身を除く): 246515396

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 108883, 217766, 435532, 544415, 1088830, 2177660, 10997183, 21994366, 43988732, 54985915, 109971830, 219943660]

約数ペア:

[(1, 219943660), (2, 109971830), (4, 54985915), (5, 43988732), (10, 21994366), (20, 10997183), (101, 2177660), (202, 1088830), (404, 544415), (505, 435532), (1010, 217766), (2020, 108883)]