808219675

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 1069869024

約数和(自身を除く): 261649349

約数列:

[1, 5, 25, 37, 41, 101, 185, 205, 211, 505, 925, 1025, 1055, 1517, 2525, 3737, 4141, 5275, 7585, 7807, 8651, 18685, 20705, 21311, 37925, 39035, 43255, 93425, 103525, 106555, 153217, 195175, 216275, 320087, 532775, 766085, 788507, 873751, 1600435, 3830425, 3942535, 4368755, 8002175, 19712675, 21843775, 32328787, 161643935, 808219675]

約数ペア:

[(1, 808219675), (5, 161643935), (25, 32328787), (37, 21843775), (41, 19712675), (101, 8002175), (185, 4368755), (205, 3942535), (211, 3830425), (505, 1600435), (925, 873751), (1025, 788507), (1055, 766085), (1517, 532775), (2525, 320087), (3737, 216275), (4141, 195175), (5275, 153217), (7585, 106555), (7807, 103525), (8651, 93425), (18685, 43255), (20705, 39035), (21311, 37925)]