1423372280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{16421}}^1$

素因数の和:16640

約数の個数: 64

約数和(自身を含む): 3511680480

約数和(自身を除く): 2088308200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7880, 8668, 10835, 16421, 17336, 21670, 32842, 43340, 65684, 82105, 86680, 131368, 164210, 180631, 328420, 361262, 656840, 722524, 903155, 1445048, 1806310, 3234937, 3612620, 6469874, 7225240, 12939748, 16174685, 25879496, 32349370, 35584307, 64698740, 71168614, 129397480, 142337228, 177921535, 284674456, 355843070, 711686140, 1423372280]

約数ペア:

[(1, 1423372280), (2, 711686140), (4, 355843070), (5, 284674456), (8, 177921535), (10, 142337228), (11, 129397480), (20, 71168614), (22, 64698740), (40, 35584307), (44, 32349370), (55, 25879496), (88, 16174685), (110, 12939748), (197, 7225240), (220, 6469874), (394, 3612620), (440, 3234937), (788, 1806310), (985, 1445048), (1576, 903155), (1970, 722524), (2167, 656840), (3940, 361262), (4334, 328420), (7880, 180631), (8668, 164210), (10835, 131368), (16421, 86680), (17336, 82105), (21670, 65684), (32842, 43340)]