442807820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243301}}^1$

素因数の和:243330

約数の個数: 48

約数和(自身を含む): 1144492608

約数和(自身を除く): 701684788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 243301, 486602, 973204, 1216505, 1703107, 2433010, 3162913, 3406214, 4866020, 6325826, 6812428, 8515535, 12651652, 15814565, 17031070, 22140391, 31629130, 34062140, 44280782, 63258260, 88561564, 110701955, 221403910, 442807820]

約数ペア:

[(1, 442807820), (2, 221403910), (4, 110701955), (5, 88561564), (7, 63258260), (10, 44280782), (13, 34062140), (14, 31629130), (20, 22140391), (26, 17031070), (28, 15814565), (35, 12651652), (52, 8515535), (65, 6812428), (70, 6325826), (91, 4866020), (130, 3406214), (140, 3162913), (182, 2433010), (260, 1703107), (364, 1216505), (455, 973204), (910, 486602), (1820, 243301)]