210004090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{344269}}^1$

素因数の和:344337

約数の個数: 16

約数和(自身を含む): 384205320

約数和(自身を除く): 174201230

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 344269, 688538, 1721345, 3442690, 21000409, 42000818, 105002045, 210004090]

約数ペア:

[(1, 210004090), (2, 105002045), (5, 42000818), (10, 21000409), (61, 3442690), (122, 1721345), (305, 688538), (610, 344269)]