2019724780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{144887}}^1$

素因数の和:144954

約数の個数: 48

約数和(自身を含む): 4600483776

約数和(自身を除く): 2580758996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 144887, 289774, 579548, 724435, 1448870, 2463079, 2897740, 4926158, 5940367, 9852316, 11880734, 12315395, 23761468, 24630790, 29701835, 49261580, 59403670, 100986239, 118807340, 201972478, 403944956, 504931195, 1009862390, 2019724780]

約数ペア:

[(1, 2019724780), (2, 1009862390), (4, 504931195), (5, 403944956), (10, 201972478), (17, 118807340), (20, 100986239), (34, 59403670), (41, 49261580), (68, 29701835), (82, 24630790), (85, 23761468), (164, 12315395), (170, 11880734), (205, 9852316), (340, 5940367), (410, 4926158), (697, 2897740), (820, 2463079), (1394, 1448870), (2788, 724435), (3485, 579548), (6970, 289774), (13940, 144887)]