187441420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{132001}}^1$

素因数の和:132081

約数の個数: 24

約数和(自身を含む): 399174048

約数和(自身を除く): 211732628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 132001, 264002, 528004, 660005, 1320010, 2640020, 9372071, 18744142, 37488284, 46860355, 93720710, 187441420]

約数ペア:

[(1, 187441420), (2, 93720710), (4, 46860355), (5, 37488284), (10, 18744142), (20, 9372071), (71, 2640020), (142, 1320010), (284, 660005), (355, 528004), (710, 264002), (1420, 132001)]