77136820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{739}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 172307520

約数和(自身を除く): 95170700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 307, 340, 614, 739, 1228, 1478, 1535, 2956, 3070, 3695, 5219, 6140, 7390, 10438, 12563, 14780, 20876, 25126, 26095, 50252, 52190, 62815, 104380, 125630, 226873, 251260, 453746, 907492, 1134365, 2268730, 3856841, 4537460, 7713682, 15427364, 19284205, 38568410, 77136820]

約数ペア:

[(1, 77136820), (2, 38568410), (4, 19284205), (5, 15427364), (10, 7713682), (17, 4537460), (20, 3856841), (34, 2268730), (68, 1134365), (85, 907492), (170, 453746), (307, 251260), (340, 226873), (614, 125630), (739, 104380), (1228, 62815), (1478, 52190), (1535, 50252), (2956, 26095), (3070, 25126), (3695, 20876), (5219, 14780), (6140, 12563), (7390, 10438)]