219758780

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{19727}}^1$

素因数の和:20293

約数の個数: 24

約数和(自身を含む): 462345408

約数和(自身を除く): 242586628

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 19727, 39454, 78908, 98635, 197270, 394540, 10987939, 21975878, 43951756, 54939695, 109879390, 219758780]

約数ペア:

[(1, 219758780), (2, 109879390), (4, 54939695), (5, 43951756), (10, 21975878), (20, 10987939), (557, 394540), (1114, 197270), (2228, 98635), (2785, 78908), (5570, 39454), (11140, 19727)]