77528780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79111}}^1$

素因数の和:79134

約数の個数: 36

約数和(自身を含む): 189394128

約数和(自身を除く): 111865348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79111, 158222, 316444, 395555, 553777, 791110, 1107554, 1582220, 2215108, 2768885, 3876439, 5537770, 7752878, 11075540, 15505756, 19382195, 38764390, 77528780]

約数ペア:

[(1, 77528780), (2, 38764390), (4, 19382195), (5, 15505756), (7, 11075540), (10, 7752878), (14, 5537770), (20, 3876439), (28, 2768885), (35, 2215108), (49, 1582220), (70, 1107554), (98, 791110), (140, 553777), (196, 395555), (245, 316444), (490, 158222), (980, 79111)]