304844180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1567}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 654345216

約数和(自身を除く): 349501036

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 685, 710, 1370, 1420, 1567, 2740, 3134, 6268, 7835, 9727, 15670, 19454, 31340, 38908, 48635, 97270, 111257, 194540, 214679, 222514, 429358, 445028, 556285, 858716, 1073395, 1112570, 2146790, 2225140, 4293580, 15242209, 30484418, 60968836, 76211045, 152422090, 304844180]

約数ペア:

[(1, 304844180), (2, 152422090), (4, 76211045), (5, 60968836), (10, 30484418), (20, 15242209), (71, 4293580), (137, 2225140), (142, 2146790), (274, 1112570), (284, 1073395), (355, 858716), (548, 556285), (685, 445028), (710, 429358), (1370, 222514), (1420, 214679), (1567, 194540), (2740, 111257), (3134, 97270), (6268, 48635), (7835, 38908), (9727, 31340), (15670, 19454)]