686205910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2873

約数の個数: 48

約数和(自身を含む): 1346850720

約数和(自身を除く): 660644810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 169, 302, 338, 755, 845, 1510, 1690, 1963, 2689, 3926, 5378, 9815, 13445, 19630, 25519, 26890, 34957, 51038, 69914, 127595, 174785, 255190, 349570, 406039, 454441, 812078, 908882, 2030195, 2272205, 4060390, 4544410, 5278507, 10557014, 26392535, 52785070, 68620591, 137241182, 343102955, 686205910]

約数ペア:

[(1, 686205910), (2, 343102955), (5, 137241182), (10, 68620591), (13, 52785070), (26, 26392535), (65, 10557014), (130, 5278507), (151, 4544410), (169, 4060390), (302, 2272205), (338, 2030195), (755, 908882), (845, 812078), (1510, 454441), (1690, 406039), (1963, 349570), (2689, 255190), (3926, 174785), (5378, 127595), (9815, 69914), (13445, 51038), (19630, 34957), (25519, 26890)]