2198840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7853}}^1$

素因数の和:7871

約数の個数: 32

約数和(自身を含む): 5654880

約数和(自身を除く): 3456040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7853, 15706, 31412, 39265, 54971, 62824, 78530, 109942, 157060, 219884, 274855, 314120, 439768, 549710, 1099420, 2198840]

約数ペア:

[(1, 2198840), (2, 1099420), (4, 549710), (5, 439768), (7, 314120), (8, 274855), (10, 219884), (14, 157060), (20, 109942), (28, 78530), (35, 62824), (40, 54971), (56, 39265), (70, 31412), (140, 15706), (280, 7853)]