248288540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{64997}}^1$

素因数の和:65197

約数の個数: 24

約数和(自身を含む): 524143872

約数和(自身を除く): 275855332

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 64997, 129994, 259988, 324985, 649970, 1299940, 12414427, 24828854, 49657708, 62072135, 124144270, 248288540]

約数ペア:

[(1, 248288540), (2, 124144270), (4, 62072135), (5, 49657708), (10, 24828854), (20, 12414427), (191, 1299940), (382, 649970), (764, 324985), (955, 259988), (1910, 129994), (3820, 64997)]