140220388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{455261}}^1$

素因数の和:455283

約数の個数: 24

約数和(自身を含む): 305936064

約数和(自身を除く): 165715676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 455261, 910522, 1821044, 3186827, 5007871, 6373654, 10015742, 12747308, 20031484, 35055097, 70110194, 140220388]

約数ペア:

[(1, 140220388), (2, 70110194), (4, 35055097), (7, 20031484), (11, 12747308), (14, 10015742), (22, 6373654), (28, 5007871), (44, 3186827), (77, 1821044), (154, 910522), (308, 455261)]