213542960

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{9923}}^1$

素因数の和:10205

約数の個数: 40

約数和(自身を含む): 498383280

約数和(自身を除く): 284840320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 9923, 10760, 19846, 21520, 39692, 49615, 79384, 99230, 158768, 198460, 396920, 793840, 2669287, 5338574, 10677148, 13346435, 21354296, 26692870, 42708592, 53385740, 106771480, 213542960]

約数ペア:

[(1, 213542960), (2, 106771480), (4, 53385740), (5, 42708592), (8, 26692870), (10, 21354296), (16, 13346435), (20, 10677148), (40, 5338574), (80, 2669287), (269, 793840), (538, 396920), (1076, 198460), (1345, 158768), (2152, 99230), (2690, 79384), (4304, 49615), (5380, 39692), (9923, 21520), (10760, 19846)]