198846340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129121}}^1$

素因数の和:129148

約数の個数: 48

約数和(自身を含む): 520619904

約数和(自身を除く): 321773564

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, 129121, 258242, 516484, 645605, 903847, 1291210, 1420331, 1807694, 2582420, 2840662, 3615388, 4519235, 5681324, 7101655, 9038470, 9942317, 14203310, 18076940, 19884634, 28406620, 39769268, 49711585, 99423170, 198846340]

約数ペア:

[(1, 198846340), (2, 99423170), (4, 49711585), (5, 39769268), (7, 28406620), (10, 19884634), (11, 18076940), (14, 14203310), (20, 9942317), (22, 9038470), (28, 7101655), (35, 5681324), (44, 4519235), (55, 3615388), (70, 2840662), (77, 2582420), (110, 1807694), (140, 1420331), (154, 1291210), (220, 903847), (308, 645605), (385, 516484), (770, 258242), (1540, 129121)]