268850270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 526908240

約数和(自身を除く): 258057970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 257, 338, 514, 619, 845, 1238, 1285, 1690, 2570, 3095, 3341, 6190, 6682, 8047, 16094, 16705, 33410, 40235, 43433, 80470, 86866, 104611, 159083, 209222, 217165, 318166, 434330, 523055, 795415, 1046110, 1590830, 2068079, 4136158, 10340395, 20680790, 26885027, 53770054, 134425135, 268850270]

約数ペア:

[(1, 268850270), (2, 134425135), (5, 53770054), (10, 26885027), (13, 20680790), (26, 10340395), (65, 4136158), (130, 2068079), (169, 1590830), (257, 1046110), (338, 795415), (514, 523055), (619, 434330), (845, 318166), (1238, 217165), (1285, 209222), (1690, 159083), (2570, 104611), (3095, 86866), (3341, 80470), (6190, 43433), (6682, 40235), (8047, 33410), (16094, 16705)]