71348420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 188153280

約数和(自身を除く): 116804860

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 101, 110, 130, 143, 169, 190, 202, 209, 220, 247, 260, 286, 338, 380, 404, 418, 494, 505, 572, 676, 715, 836, 845, 988, 1010, 1045, 1111, 1235, 1313, 1430, 1690, 1859, 1919, 2020, 2090, 2222, 2470, 2626, 2717, 2860, 3211, 3380, 3718, 3838, 4180, 4444, 4940, 5252, 5434, 5555, 6422, 6565, 7436, 7676, 9295, 9595, 10868, 11110, 12844, 13130, 13585, 14443, 16055, 17069, 18590, 19190, 21109, 22220, 24947, 26260, 27170, 28886, 32110, 34138, 35321, 37180, 38380, 42218, 49894, 54340, 57772, 64220, 68276, 70642, 72215, 84436, 85345, 99788, 105545, 124735, 141284, 144430, 170690, 176605, 187759, 211090, 249470, 274417, 288860, 324311, 341380, 353210, 375518, 422180, 498940, 548834, 648622, 706420, 751036, 938795, 1097668, 1297244, 1372085, 1621555, 1877590, 2744170, 3243110, 3567421, 3755180, 5488340, 6486220, 7134842, 14269684, 17837105, 35674210, 71348420]

約数ペア:

[(1, 71348420), (2, 35674210), (4, 17837105), (5, 14269684), (10, 7134842), (11, 6486220), (13, 5488340), (19, 3755180), (20, 3567421), (22, 3243110), (26, 2744170), (38, 1877590), (44, 1621555), (52, 1372085), (55, 1297244), (65, 1097668), (76, 938795), (95, 751036), (101, 706420), (110, 648622), (130, 548834), (143, 498940), (169, 422180), (190, 375518), (202, 353210), (209, 341380), (220, 324311), (247, 288860), (260, 274417), (286, 249470), (338, 211090), (380, 187759), (404, 176605), (418, 170690), (494, 144430), (505, 141284), (572, 124735), (676, 105545), (715, 99788), (836, 85345), (845, 84436), (988, 72215), (1010, 70642), (1045, 68276), (1111, 64220), (1235, 57772), (1313, 54340), (1430, 49894), (1690, 42218), (1859, 38380), (1919, 37180), (2020, 35321), (2090, 34138), (2222, 32110), (2470, 28886), (2626, 27170), (2717, 26260), (2860, 24947), (3211, 22220), (3380, 21109), (3718, 19190), (3838, 18590), (4180, 17069), (4444, 16055), (4940, 14443), (5252, 13585), (5434, 13130), (5555, 12844), (6422, 11110), (6565, 10868), (7436, 9595), (7676, 9295)]