78797200

素因数分解:

$2^4\times 5^2\times {\mathrm{196993}}^1$

素因数の和:197011

約数の個数: 30

約数和(自身を含む): 189311234

約数和(自身を除く): 110514034

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 196993, 393986, 787972, 984965, 1575944, 1969930, 3151888, 3939860, 4924825, 7879720, 9849650, 15759440, 19699300, 39398600, 78797200]

約数ペア:

[(1, 78797200), (2, 39398600), (4, 19699300), (5, 15759440), (8, 9849650), (10, 7879720), (16, 4924825), (20, 3939860), (25, 3151888), (40, 1969930), (50, 1575944), (80, 984965), (100, 787972), (200, 393986), (400, 196993)]