90197380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49559}}^1$

素因数の和:49588

約数の個数: 48

約数和(自身を含む): 233130240

約数和(自身を除く): 142932860

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, 49559, 99118, 198236, 247795, 346913, 495590, 644267, 693826, 991180, 1288534, 1387652, 1734565, 2577068, 3221335, 3469130, 4509869, 6442670, 6938260, 9019738, 12885340, 18039476, 22549345, 45098690, 90197380]

約数ペア:

[(1, 90197380), (2, 45098690), (4, 22549345), (5, 18039476), (7, 12885340), (10, 9019738), (13, 6938260), (14, 6442670), (20, 4509869), (26, 3469130), (28, 3221335), (35, 2577068), (52, 1734565), (65, 1387652), (70, 1288534), (91, 991180), (130, 693826), (140, 644267), (182, 495590), (260, 346913), (364, 247795), (455, 198236), (910, 99118), (1820, 49559)]