77910950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 158479440

約数和(自身を除く): 80568490

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1675, 1742, 1789, 3350, 3578, 4355, 8710, 8945, 17890, 21775, 23257, 43550, 44725, 46514, 89450, 116285, 119863, 232570, 239726, 581425, 599315, 1162850, 1198630, 1558219, 2996575, 3116438, 5993150, 7791095, 15582190, 38955475, 77910950]

約数ペア:

[(1, 77910950), (2, 38955475), (5, 15582190), (10, 7791095), (13, 5993150), (25, 3116438), (26, 2996575), (50, 1558219), (65, 1198630), (67, 1162850), (130, 599315), (134, 581425), (325, 239726), (335, 232570), (650, 119863), (670, 116285), (871, 89450), (1675, 46514), (1742, 44725), (1789, 43550), (3350, 23257), (3578, 21775), (4355, 17890), (8710, 8945)]