2520141475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 3356928000

約数和(自身を除く): 836786525

約数列:

[1, 5, 19, 25, 79, 95, 239, 281, 395, 475, 1195, 1405, 1501, 1975, 4541, 5339, 5975, 7025, 7505, 18881, 22199, 22705, 26695, 37525, 67159, 94405, 110995, 113525, 133475, 335795, 358739, 421781, 472025, 554975, 1276021, 1678975, 1793695, 2108905, 5305561, 6380105, 8968475, 10544525, 26527805, 31900525, 100805659, 132639025, 504028295, 2520141475]

約数ペア:

[(1, 2520141475), (5, 504028295), (19, 132639025), (25, 100805659), (79, 31900525), (95, 26527805), (239, 10544525), (281, 8968475), (395, 6380105), (475, 5305561), (1195, 2108905), (1405, 1793695), (1501, 1678975), (1975, 1276021), (4541, 554975), (5339, 472025), (5975, 421781), (7025, 358739), (7505, 335795), (18881, 133475), (22199, 113525), (22705, 110995), (26695, 94405), (37525, 67159)]