21910000

素因数分解:

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

素因数の和:348

約数の個数: 100

約数和(自身を含む): 60818032

約数和(自身を除く): 38908032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 313, 350, 400, 500, 560, 625, 626, 700, 875, 1000, 1250, 1252, 1400, 1565, 1750, 2000, 2191, 2500, 2504, 2800, 3130, 3500, 4375, 4382, 5000, 5008, 6260, 7000, 7825, 8750, 8764, 10000, 10955, 12520, 14000, 15650, 17500, 17528, 21910, 25040, 31300, 35000, 35056, 39125, 43820, 54775, 62600, 70000, 78250, 87640, 109550, 125200, 156500, 175280, 195625, 219100, 273875, 313000, 391250, 438200, 547750, 626000, 782500, 876400, 1095500, 1369375, 1565000, 2191000, 2738750, 3130000, 4382000, 5477500, 10955000, 21910000]

約数ペア:

[(1, 21910000), (2, 10955000), (4, 5477500), (5, 4382000), (7, 3130000), (8, 2738750), (10, 2191000), (14, 1565000), (16, 1369375), (20, 1095500), (25, 876400), (28, 782500), (35, 626000), (40, 547750), (50, 438200), (56, 391250), (70, 313000), (80, 273875), (100, 219100), (112, 195625), (125, 175280), (140, 156500), (175, 125200), (200, 109550), (250, 87640), (280, 78250), (313, 70000), (350, 62600), (400, 54775), (500, 43820), (560, 39125), (625, 35056), (626, 35000), (700, 31300), (875, 25040), (1000, 21910), (1250, 17528), (1252, 17500), (1400, 15650), (1565, 14000), (1750, 12520), (2000, 10955), (2191, 10000), (2500, 8764), (2504, 8750), (2800, 7825), (3130, 7000), (3500, 6260), (4375, 5008), (4382, 5000)]