216423760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{386471}}^1$

素因数の和:386491

約数の個数: 40

約数和(自身を含む): 575070336

約数和(自身を除く): 358646576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 386471, 772942, 1545884, 1932355, 2705297, 3091768, 3864710, 5410594, 6183536, 7729420, 10821188, 13526485, 15458840, 21642376, 27052970, 30917680, 43284752, 54105940, 108211880, 216423760]

約数ペア:

[(1, 216423760), (2, 108211880), (4, 54105940), (5, 43284752), (7, 30917680), (8, 27052970), (10, 21642376), (14, 15458840), (16, 13526485), (20, 10821188), (28, 7729420), (35, 6183536), (40, 5410594), (56, 3864710), (70, 3091768), (80, 2705297), (112, 1932355), (140, 1545884), (280, 772942), (560, 386471)]