1949304890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{3947}}^1$

素因数の和:4127

約数の個数: 64

約数和(自身を含む): 3939788160

約数和(自身を除く): 1990483270

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 131, 145, 262, 290, 377, 655, 754, 1310, 1703, 1885, 3406, 3770, 3799, 3947, 7598, 7894, 8515, 17030, 18995, 19735, 37990, 39470, 49387, 51311, 98774, 102622, 114463, 228926, 246935, 256555, 493870, 513110, 517057, 572315, 1034114, 1144630, 1488019, 2585285, 2976038, 5170570, 6721741, 7440095, 13443482, 14880190, 14994653, 29989306, 33608705, 67217410, 74973265, 149946530, 194930489, 389860978, 974652445, 1949304890]

約数ペア:

[(1, 1949304890), (2, 974652445), (5, 389860978), (10, 194930489), (13, 149946530), (26, 74973265), (29, 67217410), (58, 33608705), (65, 29989306), (130, 14994653), (131, 14880190), (145, 13443482), (262, 7440095), (290, 6721741), (377, 5170570), (655, 2976038), (754, 2585285), (1310, 1488019), (1703, 1144630), (1885, 1034114), (3406, 572315), (3770, 517057), (3799, 513110), (3947, 493870), (7598, 256555), (7894, 246935), (8515, 228926), (17030, 114463), (18995, 102622), (19735, 98774), (37990, 51311), (39470, 49387)]