315020000

素因数分解:

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

素因数の和:878

約数の個数: 120

約数和(自身を含む): 816769800

約数和(自身を除く): 501749800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 380, 400, 475, 500, 608, 625, 760, 800, 829, 950, 1000, 1250, 1520, 1658, 1900, 2000, 2375, 2500, 3040, 3316, 3800, 4000, 4145, 4750, 5000, 6632, 7600, 8290, 9500, 10000, 11875, 13264, 15200, 15751, 16580, 19000, 20000, 20725, 23750, 26528, 31502, 33160, 38000, 41450, 47500, 63004, 66320, 76000, 78755, 82900, 95000, 103625, 126008, 132640, 157510, 165800, 190000, 207250, 252016, 315020, 331600, 380000, 393775, 414500, 504032, 518125, 630040, 663200, 787550, 829000, 1036250, 1260080, 1575100, 1658000, 1968875, 2072500, 2520160, 3150200, 3316000, 3937750, 4145000, 6300400, 7875500, 8290000, 9844375, 12600800, 15751000, 16580000, 19688750, 31502000, 39377500, 63004000, 78755000, 157510000, 315020000]

約数ペア:

[(1, 315020000), (2, 157510000), (4, 78755000), (5, 63004000), (8, 39377500), (10, 31502000), (16, 19688750), (19, 16580000), (20, 15751000), (25, 12600800), (32, 9844375), (38, 8290000), (40, 7875500), (50, 6300400), (76, 4145000), (80, 3937750), (95, 3316000), (100, 3150200), (125, 2520160), (152, 2072500), (160, 1968875), (190, 1658000), (200, 1575100), (250, 1260080), (304, 1036250), (380, 829000), (400, 787550), (475, 663200), (500, 630040), (608, 518125), (625, 504032), (760, 414500), (800, 393775), (829, 380000), (950, 331600), (1000, 315020), (1250, 252016), (1520, 207250), (1658, 190000), (1900, 165800), (2000, 157510), (2375, 132640), (2500, 126008), (3040, 103625), (3316, 95000), (3800, 82900), (4000, 78755), (4145, 76000), (4750, 66320), (5000, 63004), (6632, 47500), (7600, 41450), (8290, 38000), (9500, 33160), (10000, 31502), (11875, 26528), (13264, 23750), (15200, 20725), (15751, 20000), (16580, 19000)]