109908680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{392531}}^1$

素因数の和:392549

約数の個数: 32

約数和(自身を含む): 282623040

約数和(自身を除く): 172714360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 392531, 785062, 1570124, 1962655, 2747717, 3140248, 3925310, 5495434, 7850620, 10990868, 13738585, 15701240, 21981736, 27477170, 54954340, 109908680]

約数ペア:

[(1, 109908680), (2, 54954340), (4, 27477170), (5, 21981736), (7, 15701240), (8, 13738585), (10, 10990868), (14, 7850620), (20, 5495434), (28, 3925310), (35, 3140248), (40, 2747717), (56, 1962655), (70, 1570124), (140, 785062), (280, 392531)]