123492740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{126013}}^1$

素因数の和:126036

約数の個数: 36

約数和(自身を含む): 301677516

約数和(自身を除く): 178184776

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 126013, 252026, 504052, 630065, 882091, 1260130, 1764182, 2520260, 3528364, 4410455, 6174637, 8820910, 12349274, 17641820, 24698548, 30873185, 61746370, 123492740]

約数ペア:

[(1, 123492740), (2, 61746370), (4, 30873185), (5, 24698548), (7, 17641820), (10, 12349274), (14, 8820910), (20, 6174637), (28, 4410455), (35, 3528364), (49, 2520260), (70, 1764182), (98, 1260130), (140, 882091), (196, 630065), (245, 504052), (490, 252026), (980, 126013)]