2788331900

素因数分解:

$2^2\times 5^2\times {\mathrm{2081}}^1\times {\mathrm{13399}}^1$

素因数の和:15494

約数の個数: 36

約数和(自身を含む): 6054039600

約数和(自身を除く): 3265707700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2081, 4162, 8324, 10405, 13399, 20810, 26798, 41620, 52025, 53596, 66995, 104050, 133990, 208100, 267980, 334975, 669950, 1339900, 27883319, 55766638, 111533276, 139416595, 278833190, 557666380, 697082975, 1394165950, 2788331900]

約数ペア:

[(1, 2788331900), (2, 1394165950), (4, 697082975), (5, 557666380), (10, 278833190), (20, 139416595), (25, 111533276), (50, 55766638), (100, 27883319), (2081, 1339900), (4162, 669950), (8324, 334975), (10405, 267980), (13399, 208100), (20810, 133990), (26798, 104050), (41620, 66995), (52025, 53596)]