2419580

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 5110560

約数和(自身を除く): 2690980

約数列:

[1, 2, 4, 5, 10, 20, 311, 389, 622, 778, 1244, 1555, 1556, 1945, 3110, 3890, 6220, 7780, 120979, 241958, 483916, 604895, 1209790, 2419580]

約数ペア:

[(1, 2419580), (2, 1209790), (4, 604895), (5, 483916), (10, 241958), (20, 120979), (311, 7780), (389, 6220), (622, 3890), (778, 3110), (1244, 1945), (1555, 1556)]