1849640620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{8747}}^1$

素因数の和:8962

約数の個数: 48

約数和(自身を含む): 3960744480

約数和(自身を除く): 2111103860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1940, 2180, 8747, 10573, 17494, 21146, 34988, 42292, 43735, 52865, 87470, 105730, 174940, 211460, 848459, 953423, 1696918, 1906846, 3393836, 3813692, 4242295, 4767115, 8484590, 9534230, 16969180, 19068460, 92482031, 184964062, 369928124, 462410155, 924820310, 1849640620]

約数ペア:

[(1, 1849640620), (2, 924820310), (4, 462410155), (5, 369928124), (10, 184964062), (20, 92482031), (97, 19068460), (109, 16969180), (194, 9534230), (218, 8484590), (388, 4767115), (436, 4242295), (485, 3813692), (545, 3393836), (970, 1906846), (1090, 1696918), (1940, 953423), (2180, 848459), (8747, 211460), (10573, 174940), (17494, 105730), (21146, 87470), (34988, 52865), (42292, 43735)]