215057.0000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 6658560

約数和(自身を除く): 3208730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 271, 335, 542, 670, 1273, 1355, 2546, 2710, 5149, 6365, 10298, 12730, 18157, 25745, 36314, 51490, 90785, 181570, 344983, 689966, 1724915, 3449830]

約数ペア:

[(1, 3449830), (2, 1724915), (5, 689966), (10, 344983), (19, 181570), (38, 90785), (67, 51490), (95, 36314), (134, 25745), (190, 18157), (271, 12730), (335, 10298), (542, 6365), (670, 5149), (1273, 2710), (1355, 2546)]