13971440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 37824960

約数和(自身を除く): 23853520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 409, 427, 488, 560, 610, 818, 854, 976, 1220, 1636, 1708, 2045, 2135, 2440, 2863, 3272, 3416, 4090, 4270, 4880, 5726, 6544, 6832, 8180, 8540, 11452, 14315, 16360, 17080, 22904, 24949, 28630, 32720, 34160, 45808, 49898, 57260, 99796, 114520, 124745, 174643, 199592, 229040, 249490, 349286, 399184, 498980, 698572, 873215, 997960, 1397144, 1746430, 1995920, 2794288, 3492860, 6985720, 13971440]

約数ペア:

[(1, 13971440), (2, 6985720), (4, 3492860), (5, 2794288), (7, 1995920), (8, 1746430), (10, 1397144), (14, 997960), (16, 873215), (20, 698572), (28, 498980), (35, 399184), (40, 349286), (56, 249490), (61, 229040), (70, 199592), (80, 174643), (112, 124745), (122, 114520), (140, 99796), (244, 57260), (280, 49898), (305, 45808), (409, 34160), (427, 32720), (488, 28630), (560, 24949), (610, 22904), (818, 17080), (854, 16360), (976, 14315), (1220, 11452), (1636, 8540), (1708, 8180), (2045, 6832), (2135, 6544), (2440, 5726), (2863, 4880), (3272, 4270), (3416, 4090)]