2018689420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1243

約数の個数: 96

約数和(自身を含む): 4802172480

約数和(自身を除く): 2783483060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 397, 580, 638, 794, 797, 1276, 1588, 1594, 1595, 1985, 3188, 3190, 3970, 3985, 4367, 6380, 7940, 7970, 8734, 8767, 11513, 15940, 17468, 17534, 21835, 23026, 23113, 35068, 43670, 43835, 46052, 46226, 57565, 87340, 87670, 92452, 115130, 115565, 126643, 175340, 230260, 231130, 253286, 254243, 316409, 462260, 506572, 508486, 632818, 633215, 1016972, 1265636, 1266430, 1271215, 1582045, 2532860, 2542430, 3164090, 3480499, 5084860, 6328180, 6960998, 9175861, 13921996, 17402495, 18351722, 34804990, 36703444, 45879305, 69609980, 91758610, 100934471, 183517220, 201868942, 403737884, 504672355, 1009344710, 2018689420]

約数ペア:

[(1, 2018689420), (2, 1009344710), (4, 504672355), (5, 403737884), (10, 201868942), (11, 183517220), (20, 100934471), (22, 91758610), (29, 69609980), (44, 45879305), (55, 36703444), (58, 34804990), (110, 18351722), (116, 17402495), (145, 13921996), (220, 9175861), (290, 6960998), (319, 6328180), (397, 5084860), (580, 3480499), (638, 3164090), (794, 2542430), (797, 2532860), (1276, 1582045), (1588, 1271215), (1594, 1266430), (1595, 1265636), (1985, 1016972), (3188, 633215), (3190, 632818), (3970, 508486), (3985, 506572), (4367, 462260), (6380, 316409), (7940, 254243), (7970, 253286), (8734, 231130), (8767, 230260), (11513, 175340), (15940, 126643), (17468, 115565), (17534, 115130), (21835, 92452), (23026, 87670), (23113, 87340), (35068, 57565), (43670, 46226), (43835, 46052)]