2019948709025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{953}}^1\times {\mathrm{16183}}^1$

素因数の和:17203

約数の個数: 72

約数和(自身を含む): 2802831607296

約数和(自身を除く): 782882898271

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 953, 2015, 4225, 4765, 5239, 10075, 12389, 16183, 23825, 26195, 29543, 61945, 80915, 130975, 147715, 161057, 210379, 309725, 384059, 404575, 501673, 738575, 805285, 1051895, 1920295, 2508365, 2734927, 4026425, 4992767, 5259475, 6521749, 9601475, 12541825, 13674635, 15422399, 24963835, 32608745, 68373175, 77111995, 84782737, 124819175, 163043725, 200491187, 385559975, 423913685, 478094369, 1002455935, 2119568425, 2390471845, 2606385431, 5012279675, 6215226797, 11952359225, 13031927155, 31076133985, 65159635775, 80797948361, 155380669925, 403989741805, 2019948709025]

約数ペア:

[(1, 2019948709025), (5, 403989741805), (13, 155380669925), (25, 80797948361), (31, 65159635775), (65, 31076133985), (155, 13031927155), (169, 11952359225), (325, 6215226797), (403, 5012279675), (775, 2606385431), (845, 2390471845), (953, 2119568425), (2015, 1002455935), (4225, 478094369), (4765, 423913685), (5239, 385559975), (10075, 200491187), (12389, 163043725), (16183, 124819175), (23825, 84782737), (26195, 77111995), (29543, 68373175), (61945, 32608745), (80915, 24963835), (130975, 15422399), (147715, 13674635), (161057, 12541825), (210379, 9601475), (309725, 6521749), (384059, 5259475), (404575, 4992767), (501673, 4026425), (738575, 2734927), (805285, 2508365), (1051895, 1920295)]