805007200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 2086741440

約数和(自身を除く): 1281734240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 211, 251, 304, 380, 400, 422, 475, 502, 608, 760, 800, 844, 950, 1004, 1055, 1255, 1520, 1688, 1900, 2008, 2110, 2510, 3040, 3376, 3800, 4009, 4016, 4220, 4769, 5020, 5275, 6275, 6752, 7600, 8018, 8032, 8440, 9538, 10040, 10550, 12550, 15200, 16036, 16880, 19076, 20045, 20080, 21100, 23845, 25100, 32072, 33760, 38152, 40090, 40160, 42200, 47690, 50200, 52961, 64144, 76304, 80180, 84400, 95380, 100225, 100400, 105922, 119225, 128288, 152608, 160360, 168800, 190760, 200450, 200800, 211844, 238450, 264805, 320720, 381520, 400900, 423688, 476900, 529610, 641440, 763040, 801800, 847376, 953800, 1006259, 1059220, 1324025, 1603600, 1694752, 1907600, 2012518, 2118440, 2648050, 3207200, 3815200, 4025036, 4236880, 5031295, 5296100, 8050072, 8473760, 10062590, 10592200, 16100144, 20125180, 21184400, 25156475, 32200288, 40250360, 42368800, 50312950, 80500720, 100625900, 161001440, 201251800, 402503600, 805007200]

約数ペア:

[(1, 805007200), (2, 402503600), (4, 201251800), (5, 161001440), (8, 100625900), (10, 80500720), (16, 50312950), (19, 42368800), (20, 40250360), (25, 32200288), (32, 25156475), (38, 21184400), (40, 20125180), (50, 16100144), (76, 10592200), (80, 10062590), (95, 8473760), (100, 8050072), (152, 5296100), (160, 5031295), (190, 4236880), (200, 4025036), (211, 3815200), (251, 3207200), (304, 2648050), (380, 2118440), (400, 2012518), (422, 1907600), (475, 1694752), (502, 1603600), (608, 1324025), (760, 1059220), (800, 1006259), (844, 953800), (950, 847376), (1004, 801800), (1055, 763040), (1255, 641440), (1520, 529610), (1688, 476900), (1900, 423688), (2008, 400900), (2110, 381520), (2510, 320720), (3040, 264805), (3376, 238450), (3800, 211844), (4009, 200800), (4016, 200450), (4220, 190760), (4769, 168800), (5020, 160360), (5275, 152608), (6275, 128288), (6752, 119225), (7600, 105922), (8018, 100400), (8032, 100225), (8440, 95380), (9538, 84400), (10040, 80180), (10550, 76304), (12550, 64144), (15200, 52961), (16036, 50200), (16880, 47690), (19076, 42200), (20045, 40160), (20080, 40090), (21100, 38152), (23845, 33760), (25100, 32072)]