671314175

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 1011840000

約数和(自身を除く): 340525825

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 133, 175, 475, 505, 665, 707, 1919, 1999, 2525, 3325, 3535, 9595, 9995, 13433, 13993, 17675, 37981, 47975, 49975, 67165, 69965, 189905, 201899, 265867, 335825, 349825, 949525, 1009495, 1329335, 1413293, 3836081, 5047475, 6646675, 7066465, 19180405, 26852567, 35332325, 95902025, 134262835, 671314175]

約数ペア:

[(1, 671314175), (5, 134262835), (7, 95902025), (19, 35332325), (25, 26852567), (35, 19180405), (95, 7066465), (101, 6646675), (133, 5047475), (175, 3836081), (475, 1413293), (505, 1329335), (665, 1009495), (707, 949525), (1919, 349825), (1999, 335825), (2525, 265867), (3325, 201899), (3535, 189905), (9595, 69965), (9995, 67165), (13433, 49975), (13993, 47975), (17675, 37981)]