210399680

素因数分解:

$2^6\times 5^1\times {\mathrm{657499}}^1$

素因数の和:657516

約数の個数: 28

約数和(自身を含む): 501015000

約数和(自身を除く): 290615320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 657499, 1314998, 2629996, 3287495, 5259992, 6574990, 10519984, 13149980, 21039968, 26299960, 42079936, 52599920, 105199840, 210399680]

約数ペア:

[(1, 210399680), (2, 105199840), (4, 52599920), (5, 42079936), (8, 26299960), (10, 21039968), (16, 13149980), (20, 10519984), (32, 6574990), (40, 5259992), (64, 3287495), (80, 2629996), (160, 1314998), (320, 657499)]