211660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 468720

約数和(自身を除く): 257060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 557, 1114, 2228, 2785, 5570, 10583, 11140, 21166, 42332, 52915, 105830, 211660]

約数ペア:

[(1, 211660), (2, 105830), (4, 52915), (5, 42332), (10, 21166), (19, 11140), (20, 10583), (38, 5570), (76, 2785), (95, 2228), (190, 1114), (380, 557)]