207625880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67411}}^1$

素因数の和:67440

約数の個数: 64

約数和(自身を含む): 582439680

約数和(自身を除く): 374813800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 67411, 134822, 269644, 337055, 471877, 539288, 674110, 741521, 943754, 1348220, 1483042, 1887508, 2359385, 2696440, 2966084, 3707605, 3775016, 4718770, 5190647, 5932168, 7415210, 9437540, 10381294, 14830420, 18875080, 20762588, 25953235, 29660840, 41525176, 51906470, 103812940, 207625880]

約数ペア:

[(1, 207625880), (2, 103812940), (4, 51906470), (5, 41525176), (7, 29660840), (8, 25953235), (10, 20762588), (11, 18875080), (14, 14830420), (20, 10381294), (22, 9437540), (28, 7415210), (35, 5932168), (40, 5190647), (44, 4718770), (55, 3775016), (56, 3707605), (70, 2966084), (77, 2696440), (88, 2359385), (110, 1887508), (140, 1483042), (154, 1348220), (220, 943754), (280, 741521), (308, 674110), (385, 539288), (440, 471877), (616, 337055), (770, 269644), (1540, 134822), (3080, 67411)]