122915390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 241357968

約数和(自身を除く): 118442578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 257, 283, 338, 514, 566, 845, 1285, 1415, 1690, 2570, 2830, 3341, 3679, 6682, 7358, 16705, 18395, 33410, 36790, 43433, 47827, 72731, 86866, 95654, 145462, 217165, 239135, 363655, 434330, 478270, 727310, 945503, 1891006, 4727515, 9455030, 12291539, 24583078, 61457695, 122915390]

約数ペア:

[(1, 122915390), (2, 61457695), (5, 24583078), (10, 12291539), (13, 9455030), (26, 4727515), (65, 1891006), (130, 945503), (169, 727310), (257, 478270), (283, 434330), (338, 363655), (514, 239135), (566, 217165), (845, 145462), (1285, 95654), (1415, 86866), (1690, 72731), (2570, 47827), (2830, 43433), (3341, 36790), (3679, 33410), (6682, 18395), (7358, 16705)]