219100000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 618147936

約数和(自身を除く): 399047936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 313, 350, 400, 500, 560, 625, 626, 700, 800, 875, 1000, 1120, 1250, 1252, 1400, 1565, 1750, 2000, 2191, 2500, 2504, 2800, 3125, 3130, 3500, 4000, 4375, 4382, 5000, 5008, 5600, 6250, 6260, 7000, 7825, 8750, 8764, 10000, 10016, 10955, 12500, 12520, 14000, 15650, 17500, 17528, 20000, 21875, 21910, 25000, 25040, 28000, 31300, 35000, 35056, 39125, 43750, 43820, 50000, 50080, 54775, 62600, 70000, 70112, 78250, 87500, 87640, 100000, 109550, 125200, 140000, 156500, 175000, 175280, 195625, 219100, 250400, 273875, 313000, 350000, 350560, 391250, 438200, 547750, 626000, 700000, 782500, 876400, 978125, 1095500, 1252000, 1369375, 1565000, 1752800, 1956250, 2191000, 2738750, 3130000, 3912500, 4382000, 5477500, 6260000, 6846875, 7825000, 8764000, 10955000, 13693750, 15650000, 21910000, 27387500, 31300000, 43820000, 54775000, 109550000, 219100000]

約数ペア:

[(1, 219100000), (2, 109550000), (4, 54775000), (5, 43820000), (7, 31300000), (8, 27387500), (10, 21910000), (14, 15650000), (16, 13693750), (20, 10955000), (25, 8764000), (28, 7825000), (32, 6846875), (35, 6260000), (40, 5477500), (50, 4382000), (56, 3912500), (70, 3130000), (80, 2738750), (100, 2191000), (112, 1956250), (125, 1752800), (140, 1565000), (160, 1369375), (175, 1252000), (200, 1095500), (224, 978125), (250, 876400), (280, 782500), (313, 700000), (350, 626000), (400, 547750), (500, 438200), (560, 391250), (625, 350560), (626, 350000), (700, 313000), (800, 273875), (875, 250400), (1000, 219100), (1120, 195625), (1250, 175280), (1252, 175000), (1400, 156500), (1565, 140000), (1750, 125200), (2000, 109550), (2191, 100000), (2500, 87640), (2504, 87500), (2800, 78250), (3125, 70112), (3130, 70000), (3500, 62600), (4000, 54775), (4375, 50080), (4382, 50000), (5000, 43820), (5008, 43750), (5600, 39125), (6250, 35056), (6260, 35000), (7000, 31300), (7825, 28000), (8750, 25040), (8764, 25000), (10000, 21910), (10016, 21875), (10955, 20000), (12500, 17528), (12520, 17500), (14000, 15650)]