271220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 580608

約数和(自身を除く): 309388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 284, 355, 382, 710, 764, 955, 1420, 1910, 3820, 13561, 27122, 54244, 67805, 135610, 271220]

約数ペア:

[(1, 271220), (2, 135610), (4, 67805), (5, 54244), (10, 27122), (20, 13561), (71, 3820), (142, 1910), (191, 1420), (284, 955), (355, 764), (382, 710)]