202458908

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{140207}}^1$

素因数の和:140249

約数の個数: 18

約数和(自身を含む): 373934736

約数和(自身を除く): 171475828

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 140207, 280414, 560828, 2663933, 5327866, 10655732, 50614727, 101229454, 202458908]

約数ペア:

[(1, 202458908), (2, 101229454), (4, 50614727), (19, 10655732), (38, 5327866), (76, 2663933), (361, 560828), (722, 280414), (1444, 140207)]