252285320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{128717}}^1$

素因数の和:128742

約数の個数: 48

約数和(自身を含む): 660323340

約数和(自身を除く): 408038020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 128717, 257434, 514868, 643585, 901019, 1029736, 1287170, 1802038, 2574340, 3604076, 4505095, 5148680, 6307133, 7208152, 9010190, 12614266, 18020380, 25228532, 31535665, 36040760, 50457064, 63071330, 126142660, 252285320]

約数ペア:

[(1, 252285320), (2, 126142660), (4, 63071330), (5, 50457064), (7, 36040760), (8, 31535665), (10, 25228532), (14, 18020380), (20, 12614266), (28, 9010190), (35, 7208152), (40, 6307133), (49, 5148680), (56, 4505095), (70, 3604076), (98, 2574340), (140, 1802038), (196, 1287170), (245, 1029736), (280, 901019), (392, 643585), (490, 514868), (980, 257434), (1960, 128717)]