78549380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43159}}^1$

素因数の和:43188

約数の個数: 48

約数和(自身を含む): 203024640

約数和(自身を除く): 124475260

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, 43159, 86318, 172636, 215795, 302113, 431590, 561067, 604226, 863180, 1122134, 1208452, 1510565, 2244268, 2805335, 3021130, 3927469, 5610670, 6042260, 7854938, 11221340, 15709876, 19637345, 39274690, 78549380]

約数ペア:

[(1, 78549380), (2, 39274690), (4, 19637345), (5, 15709876), (7, 11221340), (10, 7854938), (13, 6042260), (14, 5610670), (20, 3927469), (26, 3021130), (28, 2805335), (35, 2244268), (52, 1510565), (65, 1208452), (70, 1122134), (91, 863180), (130, 604226), (140, 561067), (182, 431590), (260, 302113), (364, 215795), (455, 172636), (910, 86318), (1820, 43159)]