121409720

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{3947}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 273596400

約数和(自身を除く): 152186680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 3947, 6152, 7690, 7894, 15380, 15788, 19735, 30760, 31576, 39470, 78940, 157880, 3035243, 6070486, 12140972, 15176215, 24281944, 30352430, 60704860, 121409720]

約数ペア:

[(1, 121409720), (2, 60704860), (4, 30352430), (5, 24281944), (8, 15176215), (10, 12140972), (20, 6070486), (40, 3035243), (769, 157880), (1538, 78940), (3076, 39470), (3845, 31576), (3947, 30760), (6152, 19735), (7690, 15788), (7894, 15380)]