78755000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 194469000

約数和(自身を除く): 115714000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 829, 950, 1000, 1250, 1658, 1900, 2375, 2500, 3316, 3800, 4145, 4750, 5000, 6632, 8290, 9500, 11875, 15751, 16580, 19000, 20725, 23750, 31502, 33160, 41450, 47500, 63004, 78755, 82900, 95000, 103625, 126008, 157510, 165800, 207250, 315020, 393775, 414500, 518125, 630040, 787550, 829000, 1036250, 1575100, 1968875, 2072500, 3150200, 3937750, 4145000, 7875500, 9844375, 15751000, 19688750, 39377500, 78755000]

約数ペア:

[(1, 78755000), (2, 39377500), (4, 19688750), (5, 15751000), (8, 9844375), (10, 7875500), (19, 4145000), (20, 3937750), (25, 3150200), (38, 2072500), (40, 1968875), (50, 1575100), (76, 1036250), (95, 829000), (100, 787550), (125, 630040), (152, 518125), (190, 414500), (200, 393775), (250, 315020), (380, 207250), (475, 165800), (500, 157510), (625, 126008), (760, 103625), (829, 95000), (950, 82900), (1000, 78755), (1250, 63004), (1658, 47500), (1900, 41450), (2375, 33160), (2500, 31502), (3316, 23750), (3800, 20725), (4145, 19000), (4750, 16580), (5000, 15751), (6632, 11875), (8290, 9500)]