209315190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{996739}}^1$

素因数の和:996756

約数の個数: 32

約数和(自身を含む): 574122240

約数和(自身を除く): 364807050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 996739, 1993478, 2990217, 4983695, 5980434, 6977173, 9967390, 13954346, 14951085, 20931519, 29902170, 34885865, 41863038, 69771730, 104657595, 209315190]

約数ペア:

[(1, 209315190), (2, 104657595), (3, 69771730), (5, 41863038), (6, 34885865), (7, 29902170), (10, 20931519), (14, 14951085), (15, 13954346), (21, 9967390), (30, 6977173), (35, 5980434), (42, 4983695), (70, 2990217), (105, 1993478), (210, 996739)]