1945720000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{6949}}^1$

素因数の和:6988

約数の個数: 140

約数和(自身を含む): 5514797200

約数和(自身を除く): 3569077200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 6949, 7000, 8000, 8750, 10000, 11200, 13898, 14000, 17500, 20000, 27796, 28000, 34745, 35000, 40000, 48643, 55592, 56000, 69490, 70000, 97286, 111184, 138980, 140000, 173725, 194572, 222368, 243215, 277960, 280000, 347450, 389144, 444736, 486430, 555920, 694900, 778288, 868625, 972860, 1111840, 1216075, 1389800, 1556576, 1737250, 1945720, 2223680, 2432150, 2779600, 3113152, 3474500, 3891440, 4343125, 4864300, 5559200, 6080375, 6949000, 7782880, 8686250, 9728600, 11118400, 12160750, 13898000, 15565760, 17372500, 19457200, 24321500, 27796000, 30401875, 34745000, 38914400, 48643000, 55592000, 60803750, 69490000, 77828800, 97286000, 121607500, 138980000, 194572000, 243215000, 277960000, 389144000, 486430000, 972860000, 1945720000]

約数ペア:

[(1, 1945720000), (2, 972860000), (4, 486430000), (5, 389144000), (7, 277960000), (8, 243215000), (10, 194572000), (14, 138980000), (16, 121607500), (20, 97286000), (25, 77828800), (28, 69490000), (32, 60803750), (35, 55592000), (40, 48643000), (50, 38914400), (56, 34745000), (64, 30401875), (70, 27796000), (80, 24321500), (100, 19457200), (112, 17372500), (125, 15565760), (140, 13898000), (160, 12160750), (175, 11118400), (200, 9728600), (224, 8686250), (250, 7782880), (280, 6949000), (320, 6080375), (350, 5559200), (400, 4864300), (448, 4343125), (500, 3891440), (560, 3474500), (625, 3113152), (700, 2779600), (800, 2432150), (875, 2223680), (1000, 1945720), (1120, 1737250), (1250, 1556576), (1400, 1389800), (1600, 1216075), (1750, 1111840), (2000, 972860), (2240, 868625), (2500, 778288), (2800, 694900), (3500, 555920), (4000, 486430), (4375, 444736), (5000, 389144), (5600, 347450), (6949, 280000), (7000, 277960), (8000, 243215), (8750, 222368), (10000, 194572), (11200, 173725), (13898, 140000), (14000, 138980), (17500, 111184), (20000, 97286), (27796, 70000), (28000, 69490), (34745, 56000), (35000, 55592), (40000, 48643)]