72719780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519427}}^1$

素因数の和:519443

約数の個数: 24

約数和(自身を含む): 174527808

約数和(自身を除く): 101808028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519427, 1038854, 2077708, 2597135, 3635989, 5194270, 7271978, 10388540, 14543956, 18179945, 36359890, 72719780]

約数ペア:

[(1, 72719780), (2, 36359890), (4, 18179945), (5, 14543956), (7, 10388540), (10, 7271978), (14, 5194270), (20, 3635989), (28, 2597135), (35, 2077708), (70, 1038854), (140, 519427)]