279968360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{142841}}^1$

素因数の和:142866

約数の個数: 48

約数和(自身を含む): 732779460

約数和(自身を除く): 452811100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 142841, 285682, 571364, 714205, 999887, 1142728, 1428410, 1999774, 2856820, 3999548, 4999435, 5713640, 6999209, 7999096, 9998870, 13998418, 19997740, 27996836, 34996045, 39995480, 55993672, 69992090, 139984180, 279968360]

約数ペア:

[(1, 279968360), (2, 139984180), (4, 69992090), (5, 55993672), (7, 39995480), (8, 34996045), (10, 27996836), (14, 19997740), (20, 13998418), (28, 9998870), (35, 7999096), (40, 6999209), (49, 5713640), (56, 4999435), (70, 3999548), (98, 2856820), (140, 1999774), (196, 1428410), (245, 1142728), (280, 999887), (392, 714205), (490, 571364), (980, 285682), (1960, 142841)]