127712620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{18617}}^1$

素因数の和:18647

約数の個数: 48

約数和(自身を含む): 312782400

約数和(自身を除く): 185069780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 18617, 37234, 74468, 93085, 130319, 186170, 260638, 372340, 521276, 651595, 912233, 1303190, 1824466, 2606380, 3648932, 4561165, 6385631, 9122330, 12771262, 18244660, 25542524, 31928155, 63856310, 127712620]

約数ペア:

[(1, 127712620), (2, 63856310), (4, 31928155), (5, 25542524), (7, 18244660), (10, 12771262), (14, 9122330), (20, 6385631), (28, 4561165), (35, 3648932), (49, 2606380), (70, 1824466), (98, 1303190), (140, 912233), (196, 651595), (245, 521276), (343, 372340), (490, 260638), (686, 186170), (980, 130319), (1372, 93085), (1715, 74468), (3430, 37234), (6860, 18617)]