156172940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101411}}^1$

素因数の和:101438

約数の個数: 48

約数和(自身を含む): 408893184

約数和(自身を除く): 252720244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 101411, 202822, 405644, 507055, 709877, 1014110, 1115521, 1419754, 2028220, 2231042, 2839508, 3549385, 4462084, 5577605, 7098770, 7808647, 11155210, 14197540, 15617294, 22310420, 31234588, 39043235, 78086470, 156172940]

約数ペア:

[(1, 156172940), (2, 78086470), (4, 39043235), (5, 31234588), (7, 22310420), (10, 15617294), (11, 14197540), (14, 11155210), (20, 7808647), (22, 7098770), (28, 5577605), (35, 4462084), (44, 3549385), (55, 2839508), (70, 2231042), (77, 2028220), (110, 1419754), (140, 1115521), (154, 1014110), (220, 709877), (308, 507055), (385, 405644), (770, 202822), (1540, 101411)]