244964920

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{19319}}^1$

素因数の和:19647

約数の個数: 32

約数和(自身を含む): 552938400

約数和(自身を除く): 307973480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 19319, 38638, 77276, 96595, 154552, 193190, 386380, 772760, 6124123, 12248246, 24496492, 30620615, 48992984, 61241230, 122482460, 244964920]

約数ペア:

[(1, 244964920), (2, 122482460), (4, 61241230), (5, 48992984), (8, 30620615), (10, 24496492), (20, 12248246), (40, 6124123), (317, 772760), (634, 386380), (1268, 193190), (1585, 154552), (2536, 96595), (3170, 77276), (6340, 38638), (12680, 19319)]