84143780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4519}}^1$

素因数の和:4561

約数の個数: 72

約数和(自身を含む): 216417600

約数和(自身を除く): 132273820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4519, 4655, 9038, 9310, 18076, 18620, 22595, 31633, 45190, 63266, 85861, 90380, 126532, 158165, 171722, 221431, 316330, 343444, 429305, 442862, 601027, 632660, 858610, 885724, 1107155, 1202054, 1717220, 2214310, 2404108, 3005135, 4207189, 4428620, 6010270, 8414378, 12020540, 16828756, 21035945, 42071890, 84143780]

約数ペア:

[(1, 84143780), (2, 42071890), (4, 21035945), (5, 16828756), (7, 12020540), (10, 8414378), (14, 6010270), (19, 4428620), (20, 4207189), (28, 3005135), (35, 2404108), (38, 2214310), (49, 1717220), (70, 1202054), (76, 1107155), (95, 885724), (98, 858610), (133, 632660), (140, 601027), (190, 442862), (196, 429305), (245, 343444), (266, 316330), (380, 221431), (490, 171722), (532, 158165), (665, 126532), (931, 90380), (980, 85861), (1330, 63266), (1862, 45190), (2660, 31633), (3724, 22595), (4519, 18620), (4655, 18076), (9038, 9310)]