268508710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{7937}}^1$

素因数の和:8160

約数の個数: 32

約数和(自身を含む): 514382400

約数和(自身を除く): 245873690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 6766, 7937, 15874, 16915, 33830, 39685, 79370, 134929, 269858, 674645, 1349290, 1579463, 3158926, 7897315, 15794630, 26850871, 53701742, 134254355, 268508710]

約数ペア:

[(1, 268508710), (2, 134254355), (5, 53701742), (10, 26850871), (17, 15794630), (34, 7897315), (85, 3158926), (170, 1579463), (199, 1349290), (398, 674645), (995, 269858), (1990, 134929), (3383, 79370), (6766, 39685), (7937, 33830), (15874, 16915)]