19138858400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{2129}}^1$

素因数の和:2827

約数の個数: 144

約数和(自身を含む): 49569249240

約数和(自身を除く): 30430390840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 661, 680, 800, 850, 1322, 1360, 1700, 2129, 2644, 2720, 3305, 3400, 4258, 5288, 6610, 6800, 8516, 10576, 10645, 11237, 13220, 13600, 16525, 17032, 21152, 21290, 22474, 26440, 33050, 34064, 36193, 42580, 44948, 52880, 53225, 56185, 66100, 68128, 72386, 85160, 89896, 105760, 106450, 112370, 132200, 144772, 170320, 179792, 180965, 212900, 224740, 264400, 280925, 289544, 340640, 359584, 361930, 425800, 449480, 528800, 561850, 579088, 723860, 851600, 898960, 904825, 1123700, 1158176, 1407269, 1447720, 1703200, 1797920, 1809650, 2247400, 2814538, 2895440, 3619300, 4494800, 5629076, 5790880, 7036345, 7238600, 8989600, 11258152, 14072690, 14477200, 22516304, 23923573, 28145380, 28954400, 35181725, 45032608, 47847146, 56290760, 70363450, 95694292, 112581520, 119617865, 140726900, 191388584, 225163040, 239235730, 281453800, 382777168, 478471460, 562907600, 598089325, 765554336, 956942920, 1125815200, 1196178650, 1913885840, 2392357300, 3827771680, 4784714600, 9569429200, 19138858400]

約数ペア:

[(1, 19138858400), (2, 9569429200), (4, 4784714600), (5, 3827771680), (8, 2392357300), (10, 1913885840), (16, 1196178650), (17, 1125815200), (20, 956942920), (25, 765554336), (32, 598089325), (34, 562907600), (40, 478471460), (50, 382777168), (68, 281453800), (80, 239235730), (85, 225163040), (100, 191388584), (136, 140726900), (160, 119617865), (170, 112581520), (200, 95694292), (272, 70363450), (340, 56290760), (400, 47847146), (425, 45032608), (544, 35181725), (661, 28954400), (680, 28145380), (800, 23923573), (850, 22516304), (1322, 14477200), (1360, 14072690), (1700, 11258152), (2129, 8989600), (2644, 7238600), (2720, 7036345), (3305, 5790880), (3400, 5629076), (4258, 4494800), (5288, 3619300), (6610, 2895440), (6800, 2814538), (8516, 2247400), (10576, 1809650), (10645, 1797920), (11237, 1703200), (13220, 1447720), (13600, 1407269), (16525, 1158176), (17032, 1123700), (21152, 904825), (21290, 898960), (22474, 851600), (26440, 723860), (33050, 579088), (34064, 561850), (36193, 528800), (42580, 449480), (44948, 425800), (52880, 361930), (53225, 359584), (56185, 340640), (66100, 289544), (68128, 280925), (72386, 264400), (85160, 224740), (89896, 212900), (105760, 180965), (106450, 179792), (112370, 170320), (132200, 144772)]