7142660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 17302656

約数和(自身を除く): 10159996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 313, 326, 626, 652, 815, 1141, 1252, 1565, 1630, 2191, 2282, 3130, 3260, 4382, 4564, 5705, 6260, 8764, 10955, 11410, 21910, 22820, 43820, 51019, 102038, 204076, 255095, 357133, 510190, 714266, 1020380, 1428532, 1785665, 3571330, 7142660]

約数ペア:

[(1, 7142660), (2, 3571330), (4, 1785665), (5, 1428532), (7, 1020380), (10, 714266), (14, 510190), (20, 357133), (28, 255095), (35, 204076), (70, 102038), (140, 51019), (163, 43820), (313, 22820), (326, 21910), (626, 11410), (652, 10955), (815, 8764), (1141, 6260), (1252, 5705), (1565, 4564), (1630, 4382), (2191, 3260), (2282, 3130)]