1921036180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{45587}}^1$

素因数の和:45653

約数の個数: 72

約数和(自身を含む): 4802057568

約数和(自身を除く): 2881021388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 45587, 91174, 182348, 227935, 319109, 455870, 638218, 911740, 1276436, 1595545, 1960241, 2233763, 3191090, 3920482, 4467526, 6382180, 7840964, 8935052, 9801205, 11168815, 13721687, 19602410, 22337630, 27443374, 39204820, 44675260, 54886748, 68608435, 96051809, 137216870, 192103618, 274433740, 384207236, 480259045, 960518090, 1921036180]

約数ペア:

[(1, 1921036180), (2, 960518090), (4, 480259045), (5, 384207236), (7, 274433740), (10, 192103618), (14, 137216870), (20, 96051809), (28, 68608435), (35, 54886748), (43, 44675260), (49, 39204820), (70, 27443374), (86, 22337630), (98, 19602410), (140, 13721687), (172, 11168815), (196, 9801205), (215, 8935052), (245, 7840964), (301, 6382180), (430, 4467526), (490, 3920482), (602, 3191090), (860, 2233763), (980, 1960241), (1204, 1595545), (1505, 1276436), (2107, 911740), (3010, 638218), (4214, 455870), (6020, 319109), (8428, 227935), (10535, 182348), (21070, 91174), (42140, 45587)]