248813420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{303431}}^1$

素因数の和:303481

約数の個数: 24

約数和(自身を含む): 535254048

約数和(自身を除く): 286440628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 303431, 606862, 1213724, 1517155, 3034310, 6068620, 12440671, 24881342, 49762684, 62203355, 124406710, 248813420]

約数ペア:

[(1, 248813420), (2, 124406710), (4, 62203355), (5, 49762684), (10, 24881342), (20, 12440671), (41, 6068620), (82, 3034310), (164, 1517155), (205, 1213724), (410, 606862), (820, 303431)]