212105390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{5953}}^1$

素因数の和:6476

約数の個数: 32

約数和(自身を含む): 437261760

約数和(自身を除く): 225156370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 1018, 2545, 3563, 5090, 5953, 7126, 11906, 17815, 29765, 35630, 41671, 59530, 83342, 208355, 416710, 3030077, 6060154, 15150385, 21210539, 30300770, 42421078, 106052695, 212105390]

約数ペア:

[(1, 212105390), (2, 106052695), (5, 42421078), (7, 30300770), (10, 21210539), (14, 15150385), (35, 6060154), (70, 3030077), (509, 416710), (1018, 208355), (2545, 83342), (3563, 59530), (5090, 41671), (5953, 35630), (7126, 29765), (11906, 17815)]