68895220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2089}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 154843920

約数和(自身を除く): 85948700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 2089, 3298, 4178, 6596, 8245, 8356, 10445, 16490, 20890, 32980, 35513, 41780, 71026, 142052, 177565, 202633, 355130, 405266, 710260, 810532, 1013165, 2026330, 3444761, 4052660, 6889522, 13779044, 17223805, 34447610, 68895220]

約数ペア:

[(1, 68895220), (2, 34447610), (4, 17223805), (5, 13779044), (10, 6889522), (17, 4052660), (20, 3444761), (34, 2026330), (68, 1013165), (85, 810532), (97, 710260), (170, 405266), (194, 355130), (340, 202633), (388, 177565), (485, 142052), (970, 71026), (1649, 41780), (1940, 35513), (2089, 32980), (3298, 20890), (4178, 16490), (6596, 10445), (8245, 8356)]