161738450000

素因数分解:

$2^4\times 5^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2904

約数の個数: 240

約数和(自身を含む): 419209418880

約数和(自身を除く): 257470968880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 61, 76, 80, 95, 100, 122, 125, 152, 190, 200, 244, 250, 304, 305, 380, 400, 475, 488, 500, 610, 625, 760, 950, 976, 1000, 1159, 1220, 1250, 1520, 1525, 1900, 2000, 2318, 2375, 2440, 2500, 2791, 3050, 3125, 3800, 4636, 4750, 4880, 5000, 5582, 5795, 6100, 6250, 7600, 7625, 9272, 9500, 10000, 11164, 11590, 11875, 12200, 12500, 13955, 15250, 18544, 19000, 22328, 23180, 23750, 24400, 25000, 27910, 28975, 30500, 38000, 38125, 44656, 46360, 47500, 50000, 53029, 55820, 57950, 59375, 61000, 69775, 76250, 92720, 95000, 106058, 111640, 115900, 118750, 122000, 139550, 144875, 152500, 170251, 190000, 190625, 212116, 223280, 231800, 237500, 265145, 279100, 289750, 305000, 340502, 348875, 381250, 424232, 463600, 475000, 530290, 558200, 579500, 610000, 681004, 697750, 724375, 762500, 848464, 851255, 950000, 1060580, 1116400, 1159000, 1325725, 1362008, 1395500, 1448750, 1525000, 1702510, 1744375, 2121160, 2318000, 2651450, 2724016, 2791000, 2897500, 3050000, 3234769, 3405020, 3488750, 3621875, 4242320, 4256275, 5302900, 5582000, 5795000, 6469538, 6628625, 6810040, 6977500, 7243750, 8512550, 8721875, 10605800, 11590000, 12939076, 13257250, 13620080, 13955000, 14487500, 16173845, 17025100, 17443750, 21211600, 21281375, 25878152, 26514500, 27910000, 28975000, 32347690, 33143125, 34050200, 34887500, 42562750, 51756304, 53029000, 57950000, 64695380, 66286250, 68100400, 69775000, 80869225, 85125500, 106058000, 106406875, 129390760, 132572500, 139550000, 161738450, 165715625, 170251000, 212813750, 258781520, 265145000, 323476900, 331431250, 340502000, 404346125, 425627500, 530290000, 532034375, 646953800, 662862500, 808692250, 851255000, 1064068750, 1293907600, 1325725000, 1617384500, 1702510000, 2021730625, 2128137500, 2651450000, 3234769000, 4043461250, 4256275000, 6469538000, 8086922500, 8512550000, 10108653125, 16173845000, 20217306250, 32347690000, 40434612500, 80869225000, 161738450000]

約数ペア:

[(1, 161738450000), (2, 80869225000), (4, 40434612500), (5, 32347690000), (8, 20217306250), (10, 16173845000), (16, 10108653125), (19, 8512550000), (20, 8086922500), (25, 6469538000), (38, 4256275000), (40, 4043461250), (50, 3234769000), (61, 2651450000), (76, 2128137500), (80, 2021730625), (95, 1702510000), (100, 1617384500), (122, 1325725000), (125, 1293907600), (152, 1064068750), (190, 851255000), (200, 808692250), (244, 662862500), (250, 646953800), (304, 532034375), (305, 530290000), (380, 425627500), (400, 404346125), (475, 340502000), (488, 331431250), (500, 323476900), (610, 265145000), (625, 258781520), (760, 212813750), (950, 170251000), (976, 165715625), (1000, 161738450), (1159, 139550000), (1220, 132572500), (1250, 129390760), (1520, 106406875), (1525, 106058000), (1900, 85125500), (2000, 80869225), (2318, 69775000), (2375, 68100400), (2440, 66286250), (2500, 64695380), (2791, 57950000), (3050, 53029000), (3125, 51756304), (3800, 42562750), (4636, 34887500), (4750, 34050200), (4880, 33143125), (5000, 32347690), (5582, 28975000), (5795, 27910000), (6100, 26514500), (6250, 25878152), (7600, 21281375), (7625, 21211600), (9272, 17443750), (9500, 17025100), (10000, 16173845), (11164, 14487500), (11590, 13955000), (11875, 13620080), (12200, 13257250), (12500, 12939076), (13955, 11590000), (15250, 10605800), (18544, 8721875), (19000, 8512550), (22328, 7243750), (23180, 6977500), (23750, 6810040), (24400, 6628625), (25000, 6469538), (27910, 5795000), (28975, 5582000), (30500, 5302900), (38000, 4256275), (38125, 4242320), (44656, 3621875), (46360, 3488750), (47500, 3405020), (50000, 3234769), (53029, 3050000), (55820, 2897500), (57950, 2791000), (59375, 2724016), (61000, 2651450), (69775, 2318000), (76250, 2121160), (92720, 1744375), (95000, 1702510), (106058, 1525000), (111640, 1448750), (115900, 1395500), (118750, 1362008), (122000, 1325725), (139550, 1159000), (144875, 1116400), (152500, 1060580), (170251, 950000), (190000, 851255), (190625, 848464), (212116, 762500), (223280, 724375), (231800, 697750), (237500, 681004), (265145, 610000), (279100, 579500), (289750, 558200), (305000, 530290), (340502, 475000), (348875, 463600), (381250, 424232)]