389635120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{695777}}^1$

素因数の和:695797

約数の個数: 40

約数和(自身を含む): 1035317664

約数和(自身を除く): 645682544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 695777, 1391554, 2783108, 3478885, 4870439, 5566216, 6957770, 9740878, 11132432, 13915540, 19481756, 24352195, 27831080, 38963512, 48704390, 55662160, 77927024, 97408780, 194817560, 389635120]

約数ペア:

[(1, 389635120), (2, 194817560), (4, 97408780), (5, 77927024), (7, 55662160), (8, 48704390), (10, 38963512), (14, 27831080), (16, 24352195), (20, 19481756), (28, 13915540), (35, 11132432), (40, 9740878), (56, 6957770), (70, 5566216), (80, 4870439), (112, 3478885), (140, 2783108), (280, 1391554), (560, 695777)]