87640000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 140

約数和(自身を含む): 249157744

約数和(自身を除く): 161517744

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, 313, 320, 350, 400, 448, 500, 560, 625, 626, 700, 800, 875, 1000, 1120, 1250, 1252, 1400, 1565, 1600, 1750, 2000, 2191, 2240, 2500, 2504, 2800, 3130, 3500, 4000, 4375, 4382, 5000, 5008, 5600, 6260, 7000, 7825, 8000, 8750, 8764, 10000, 10016, 10955, 11200, 12520, 14000, 15650, 17500, 17528, 20000, 20032, 21910, 25040, 28000, 31300, 35000, 35056, 39125, 40000, 43820, 50080, 54775, 56000, 62600, 70000, 70112, 78250, 87640, 100160, 109550, 125200, 140000, 140224, 156500, 175280, 195625, 219100, 250400, 273875, 280000, 313000, 350560, 391250, 438200, 500800, 547750, 626000, 701120, 782500, 876400, 1095500, 1252000, 1369375, 1565000, 1752800, 2191000, 2504000, 2738750, 3130000, 3505600, 4382000, 5477500, 6260000, 8764000, 10955000, 12520000, 17528000, 21910000, 43820000, 87640000]

約数ペア:

[(1, 87640000), (2, 43820000), (4, 21910000), (5, 17528000), (7, 12520000), (8, 10955000), (10, 8764000), (14, 6260000), (16, 5477500), (20, 4382000), (25, 3505600), (28, 3130000), (32, 2738750), (35, 2504000), (40, 2191000), (50, 1752800), (56, 1565000), (64, 1369375), (70, 1252000), (80, 1095500), (100, 876400), (112, 782500), (125, 701120), (140, 626000), (160, 547750), (175, 500800), (200, 438200), (224, 391250), (250, 350560), (280, 313000), (313, 280000), (320, 273875), (350, 250400), (400, 219100), (448, 195625), (500, 175280), (560, 156500), (625, 140224), (626, 140000), (700, 125200), (800, 109550), (875, 100160), (1000, 87640), (1120, 78250), (1250, 70112), (1252, 70000), (1400, 62600), (1565, 56000), (1600, 54775), (1750, 50080), (2000, 43820), (2191, 40000), (2240, 39125), (2500, 35056), (2504, 35000), (2800, 31300), (3130, 28000), (3500, 25040), (4000, 21910), (4375, 20032), (4382, 20000), (5000, 17528), (5008, 17500), (5600, 15650), (6260, 14000), (7000, 12520), (7825, 11200), (8000, 10955), (8750, 10016), (8764, 10000)]