248838820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{654839}}^1$

素因数の和:654867

約数の個数: 24

約数和(自身を含む): 550065600

約数和(自身を除く): 301226780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 654839, 1309678, 2619356, 3274195, 6548390, 12441941, 13096780, 24883882, 49767764, 62209705, 124419410, 248838820]

約数ペア:

[(1, 248838820), (2, 124419410), (4, 62209705), (5, 49767764), (10, 24883882), (19, 13096780), (20, 12441941), (38, 6548390), (76, 3274195), (95, 2619356), (190, 1309678), (380, 654839)]