208224340

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{9439}}^1$

素因数の和:10551

約数の個数: 24

約数和(自身を含む): 437713920

約数和(自身を除く): 229489580

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 4412, 5515, 9439, 11030, 18878, 22060, 37756, 47195, 94390, 188780, 10411217, 20822434, 41644868, 52056085, 104112170, 208224340]

約数ペア:

[(1, 208224340), (2, 104112170), (4, 52056085), (5, 41644868), (10, 20822434), (20, 10411217), (1103, 188780), (2206, 94390), (4412, 47195), (5515, 37756), (9439, 22060), (11030, 18878)]