173833180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 371952000

約数和(自身を除く): 198118820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 269, 316, 395, 409, 538, 790, 818, 1076, 1345, 1580, 1636, 2045, 2690, 4090, 5380, 8180, 21251, 32311, 42502, 64622, 85004, 106255, 110021, 129244, 161555, 212510, 220042, 323110, 425020, 440084, 550105, 646220, 1100210, 2200420, 8691659, 17383318, 34766636, 43458295, 86916590, 173833180]

約数ペア:

[(1, 173833180), (2, 86916590), (4, 43458295), (5, 34766636), (10, 17383318), (20, 8691659), (79, 2200420), (158, 1100210), (269, 646220), (316, 550105), (395, 440084), (409, 425020), (538, 323110), (790, 220042), (818, 212510), (1076, 161555), (1345, 129244), (1580, 110021), (1636, 106255), (2045, 85004), (2690, 64622), (4090, 42502), (5380, 32311), (8180, 21251)]