215422270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{42157}}^1$

素因数の和:42244

約数の個数: 32

約数和(自身を含む): 449235648

約数和(自身を除く): 233813378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 42157, 84314, 210785, 295099, 421570, 590198, 1475495, 2950990, 3077461, 6154922, 15387305, 21542227, 30774610, 43084454, 107711135, 215422270]

約数ペア:

[(1, 215422270), (2, 107711135), (5, 43084454), (7, 30774610), (10, 21542227), (14, 15387305), (35, 6154922), (70, 3077461), (73, 2950990), (146, 1475495), (365, 590198), (511, 421570), (730, 295099), (1022, 210785), (2555, 84314), (5110, 42157)]