428402360

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{25561}}^1$

素因数の和:25991

約数の個数: 32

約数和(自身を含む): 966243600

約数和(自身を除く): 537841240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 25561, 51122, 102244, 127805, 204488, 255610, 511220, 1022440, 10710059, 21420118, 42840236, 53550295, 85680472, 107100590, 214201180, 428402360]

約数ペア:

[(1, 428402360), (2, 214201180), (4, 107100590), (5, 85680472), (8, 53550295), (10, 42840236), (20, 21420118), (40, 10710059), (419, 1022440), (838, 511220), (1676, 255610), (2095, 204488), (3352, 127805), (4190, 102244), (8380, 51122), (16760, 25561)]