108720220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{110939}}^1$

素因数の和:110962

約数の個数: 36

約数和(自身を含む): 265590360

約数和(自身を除く): 156870140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 110939, 221878, 443756, 554695, 776573, 1109390, 1553146, 2218780, 3106292, 3882865, 5436011, 7765730, 10872022, 15531460, 21744044, 27180055, 54360110, 108720220]

約数ペア:

[(1, 108720220), (2, 54360110), (4, 27180055), (5, 21744044), (7, 15531460), (10, 10872022), (14, 7765730), (20, 5436011), (28, 3882865), (35, 3106292), (49, 2218780), (70, 1553146), (98, 1109390), (140, 776573), (196, 554695), (245, 443756), (490, 221878), (980, 110939)]