77329840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19727}}^1$

素因数の和:19754

約数の個数: 60

約数和(自身を含む): 209156256

約数和(自身を除く): 131826416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19727, 39454, 78908, 98635, 138089, 157816, 197270, 276178, 315632, 394540, 552356, 690445, 789080, 966623, 1104712, 1380890, 1578160, 1933246, 2209424, 2761780, 3866492, 4833115, 5523560, 7732984, 9666230, 11047120, 15465968, 19332460, 38664920, 77329840]

約数ペア:

[(1, 77329840), (2, 38664920), (4, 19332460), (5, 15465968), (7, 11047120), (8, 9666230), (10, 7732984), (14, 5523560), (16, 4833115), (20, 3866492), (28, 2761780), (35, 2209424), (40, 1933246), (49, 1578160), (56, 1380890), (70, 1104712), (80, 966623), (98, 789080), (112, 690445), (140, 552356), (196, 394540), (245, 315632), (280, 276178), (392, 197270), (490, 157816), (560, 138089), (784, 98635), (980, 78908), (1960, 39454), (3920, 19727)]