245789180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{135049}}^1$

素因数の和:135078

約数の個数: 48

約数和(自身を含む): 635275200

約数和(自身を除く): 389486020

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, 135049, 270098, 540196, 675245, 945343, 1350490, 1755637, 1890686, 2700980, 3511274, 3781372, 4726715, 7022548, 8778185, 9453430, 12289459, 17556370, 18906860, 24578918, 35112740, 49157836, 61447295, 122894590, 245789180]

約数ペア:

[(1, 245789180), (2, 122894590), (4, 61447295), (5, 49157836), (7, 35112740), (10, 24578918), (13, 18906860), (14, 17556370), (20, 12289459), (26, 9453430), (28, 8778185), (35, 7022548), (52, 4726715), (65, 3781372), (70, 3511274), (91, 2700980), (130, 1890686), (140, 1755637), (182, 1350490), (260, 945343), (364, 675245), (455, 540196), (910, 270098), (1820, 135049)]