190898120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97397}}^1$

素因数の和:97422

約数の個数: 48

約数和(自身を含む): 499651740

約数和(自身を除く): 308753620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 97397, 194794, 389588, 486985, 681779, 779176, 973970, 1363558, 1947940, 2727116, 3408895, 3895880, 4772453, 5454232, 6817790, 9544906, 13635580, 19089812, 23862265, 27271160, 38179624, 47724530, 95449060, 190898120]

約数ペア:

[(1, 190898120), (2, 95449060), (4, 47724530), (5, 38179624), (7, 27271160), (8, 23862265), (10, 19089812), (14, 13635580), (20, 9544906), (28, 6817790), (35, 5454232), (40, 4772453), (49, 3895880), (56, 3408895), (70, 2727116), (98, 1947940), (140, 1363558), (196, 973970), (245, 779176), (280, 681779), (392, 486985), (490, 389588), (980, 194794), (1960, 97397)]