19474949650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{19961}}^1$

素因数の和:20084

約数の個数: 96

約数和(自身を含む): 41584838400

約数和(自身を除く): 22109888750

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 79, 95, 130, 158, 190, 247, 325, 395, 475, 494, 650, 790, 950, 1027, 1235, 1501, 1975, 2054, 2470, 3002, 3950, 5135, 6175, 7505, 10270, 12350, 15010, 19513, 19961, 25675, 37525, 39026, 39922, 51350, 75050, 97565, 99805, 195130, 199610, 259493, 379259, 487825, 499025, 518986, 758518, 975650, 998050, 1297465, 1576919, 1896295, 2594930, 3153838, 3792590, 4930367, 6487325, 7884595, 9481475, 9860734, 12974650, 15769190, 18962950, 20499947, 24651835, 29961461, 39422975, 40999894, 49303670, 59922922, 78845950, 102499735, 123259175, 149807305, 204999470, 246518350, 299614610, 389498993, 512498675, 749036525, 778997986, 1024997350, 1498073050, 1947494965, 3894989930, 9737474825, 19474949650]

約数ペア:

[(1, 19474949650), (2, 9737474825), (5, 3894989930), (10, 1947494965), (13, 1498073050), (19, 1024997350), (25, 778997986), (26, 749036525), (38, 512498675), (50, 389498993), (65, 299614610), (79, 246518350), (95, 204999470), (130, 149807305), (158, 123259175), (190, 102499735), (247, 78845950), (325, 59922922), (395, 49303670), (475, 40999894), (494, 39422975), (650, 29961461), (790, 24651835), (950, 20499947), (1027, 18962950), (1235, 15769190), (1501, 12974650), (1975, 9860734), (2054, 9481475), (2470, 7884595), (3002, 6487325), (3950, 4930367), (5135, 3792590), (6175, 3153838), (7505, 2594930), (10270, 1896295), (12350, 1576919), (15010, 1297465), (19513, 998050), (19961, 975650), (25675, 758518), (37525, 518986), (39026, 499025), (39922, 487825), (51350, 379259), (75050, 259493), (97565, 199610), (99805, 195130)]