291227260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{56659}}^1$

素因数の和:56925

約数の個数: 24

約数和(自身を含む): 613967760

約数和(自身を除く): 322740500

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 56659, 113318, 226636, 283295, 566590, 1133180, 14561363, 29122726, 58245452, 72806815, 145613630, 291227260]

約数ペア:

[(1, 291227260), (2, 145613630), (4, 72806815), (5, 58245452), (10, 29122726), (20, 14561363), (257, 1133180), (514, 566590), (1028, 283295), (1285, 226636), (2570, 113318), (5140, 56659)]