816277525

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 1312951680

約数和(自身を除く): 496674155

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 85, 95, 119, 133, 175, 245, 323, 425, 475, 595, 665, 833, 931, 1225, 1615, 2063, 2261, 2975, 3325, 4165, 4655, 8075, 10315, 11305, 14441, 15827, 20825, 23275, 35071, 39197, 51575, 56525, 72205, 79135, 101087, 175355, 195985, 245497, 274379, 361025, 395675, 505435, 666349, 876775, 979925, 1227485, 1371895, 1718479, 1920653, 2527175, 3331745, 4664443, 6137425, 6859475, 8592395, 9603265, 16658725, 23322215, 32651101, 42961975, 48016325, 116611075, 163255505, 816277525]

約数ペア:

[(1, 816277525), (5, 163255505), (7, 116611075), (17, 48016325), (19, 42961975), (25, 32651101), (35, 23322215), (49, 16658725), (85, 9603265), (95, 8592395), (119, 6859475), (133, 6137425), (175, 4664443), (245, 3331745), (323, 2527175), (425, 1920653), (475, 1718479), (595, 1371895), (665, 1227485), (833, 979925), (931, 876775), (1225, 666349), (1615, 505435), (2063, 395675), (2261, 361025), (2975, 274379), (3325, 245497), (4165, 195985), (4655, 175355), (8075, 101087), (10315, 79135), (11305, 72205), (14441, 56525), (15827, 51575), (20825, 39197), (23275, 35071)]