2547940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3258140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 191, 230, 290, 382, 460, 580, 667, 764, 955, 1334, 1910, 2668, 3335, 3820, 4393, 5539, 6670, 8786, 11078, 13340, 17572, 21965, 22156, 27695, 43930, 55390, 87860, 110780, 127397, 254794, 509588, 636985, 1273970, 2547940]

約数ペア:

[(1, 2547940), (2, 1273970), (4, 636985), (5, 509588), (10, 254794), (20, 127397), (23, 110780), (29, 87860), (46, 55390), (58, 43930), (92, 27695), (115, 22156), (116, 21965), (145, 17572), (191, 13340), (230, 11078), (290, 8786), (382, 6670), (460, 5539), (580, 4393), (667, 3820), (764, 3335), (955, 2668), (1334, 1910)]