2018799475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^3\times {\mathrm{43}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 3307645440

約数和(自身を除く): 1288845965

約数列:

[1, 5, 7, 11, 25, 29, 35, 43, 55, 77, 145, 175, 203, 215, 275, 301, 319, 385, 473, 725, 841, 1015, 1075, 1247, 1505, 1595, 1925, 2233, 2365, 3311, 4205, 5075, 5887, 6235, 7525, 7975, 8729, 9251, 11165, 11825, 13717, 16555, 21025, 24389, 29435, 31175, 36163, 43645, 46255, 55825, 64757, 68585, 82775, 96019, 121945, 147175, 170723, 180815, 218225, 231275, 253141, 268279, 323785, 342925, 397793, 480095, 609725, 853615, 904075, 1048727, 1265705, 1341395, 1618925, 1877953, 1988965, 2400475, 2784551, 4268075, 5243635, 6328525, 6706975, 7341089, 9389765, 9944825, 11535997, 13922755, 26218175, 36705445, 46948825, 57679985, 69613775, 80751979, 183527225, 288399925, 403759895, 2018799475]

約数ペア:

[(1, 2018799475), (5, 403759895), (7, 288399925), (11, 183527225), (25, 80751979), (29, 69613775), (35, 57679985), (43, 46948825), (55, 36705445), (77, 26218175), (145, 13922755), (175, 11535997), (203, 9944825), (215, 9389765), (275, 7341089), (301, 6706975), (319, 6328525), (385, 5243635), (473, 4268075), (725, 2784551), (841, 2400475), (1015, 1988965), (1075, 1877953), (1247, 1618925), (1505, 1341395), (1595, 1265705), (1925, 1048727), (2233, 904075), (2365, 853615), (3311, 609725), (4205, 480095), (5075, 397793), (5887, 342925), (6235, 323785), (7525, 268279), (7975, 253141), (8729, 231275), (9251, 218225), (11165, 180815), (11825, 170723), (13717, 147175), (16555, 121945), (21025, 96019), (24389, 82775), (29435, 68585), (31175, 64757), (36163, 55825), (43645, 46255)]