2017804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{112979}}^1$

素因数の和:113054

約数の個数: 48

約数和(自身を含む): 4555353600

約数和(自身を除く): 2537548660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 112979, 225958, 451916, 564895, 1129790, 2146601, 2259580, 4293202, 5310013, 8586404, 10620026, 10733005, 21240052, 21466010, 26550065, 42932020, 53100130, 100890247, 106200260, 201780494, 403560988, 504451235, 1008902470, 2017804940]

約数ペア:

[(1, 2017804940), (2, 1008902470), (4, 504451235), (5, 403560988), (10, 201780494), (19, 106200260), (20, 100890247), (38, 53100130), (47, 42932020), (76, 26550065), (94, 21466010), (95, 21240052), (188, 10733005), (190, 10620026), (235, 8586404), (380, 5310013), (470, 4293202), (893, 2259580), (940, 2146601), (1786, 1129790), (3572, 564895), (4465, 451916), (8930, 225958), (17860, 112979)]