28904060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 62826624

約数和(自身を除く): 33922564

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 317, 388, 470, 485, 634, 940, 970, 1268, 1585, 1940, 3170, 4559, 6340, 9118, 14899, 18236, 22795, 29798, 30749, 45590, 59596, 61498, 74495, 91180, 122996, 148990, 153745, 297980, 307490, 614980, 1445203, 2890406, 5780812, 7226015, 14452030, 28904060]

約数ペア:

[(1, 28904060), (2, 14452030), (4, 7226015), (5, 5780812), (10, 2890406), (20, 1445203), (47, 614980), (94, 307490), (97, 297980), (188, 153745), (194, 148990), (235, 122996), (317, 91180), (388, 74495), (470, 61498), (485, 59596), (634, 45590), (940, 30749), (970, 29798), (1268, 22795), (1585, 18236), (1940, 14899), (3170, 9118), (4559, 6340)]