253669340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 546182784

約数和(自身を除く): 292513444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 421, 470, 641, 842, 940, 1282, 1684, 2105, 2564, 3205, 4210, 6410, 8420, 12820, 19787, 30127, 39574, 60254, 79148, 98935, 120508, 150635, 197870, 269861, 301270, 395740, 539722, 602540, 1079444, 1349305, 2698610, 5397220, 12683467, 25366934, 50733868, 63417335, 126834670, 253669340]

約数ペア:

[(1, 253669340), (2, 126834670), (4, 63417335), (5, 50733868), (10, 25366934), (20, 12683467), (47, 5397220), (94, 2698610), (188, 1349305), (235, 1079444), (421, 602540), (470, 539722), (641, 395740), (842, 301270), (940, 269861), (1282, 197870), (1684, 150635), (2105, 120508), (2564, 98935), (3205, 79148), (4210, 60254), (6410, 39574), (8420, 30127), (12820, 19787)]