2191000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 5878080

約数和(自身を除く): 3687080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 313, 350, 500, 626, 700, 875, 1000, 1252, 1400, 1565, 1750, 2191, 2504, 3130, 3500, 4382, 6260, 7000, 7825, 8764, 10955, 12520, 15650, 17528, 21910, 31300, 39125, 43820, 54775, 62600, 78250, 87640, 109550, 156500, 219100, 273875, 313000, 438200, 547750, 1095500, 2191000]

約数ペア:

[(1, 2191000), (2, 1095500), (4, 547750), (5, 438200), (7, 313000), (8, 273875), (10, 219100), (14, 156500), (20, 109550), (25, 87640), (28, 78250), (35, 62600), (40, 54775), (50, 43820), (56, 39125), (70, 31300), (100, 21910), (125, 17528), (140, 15650), (175, 12520), (200, 10955), (250, 8764), (280, 7825), (313, 7000), (350, 6260), (500, 4382), (626, 3500), (700, 3130), (875, 2504), (1000, 2191), (1252, 1750), (1400, 1565)]