401920210

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{98269}}^1$

素因数の和:98685

約数の個数: 16

約数和(自身を含む): 725232600

約数和(自身を除く): 323312390

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 98269, 196538, 491345, 982690, 40192021, 80384042, 200960105, 401920210]

約数ペア:

[(1, 401920210), (2, 200960105), (5, 80384042), (10, 40192021), (409, 982690), (818, 491345), (2045, 196538), (4090, 98269)]