130639880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66653}}^1$

素因数の和:66678

約数の個数: 48

約数和(自身を含む): 341935020

約数和(自身を除く): 211295140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66653, 133306, 266612, 333265, 466571, 533224, 666530, 933142, 1333060, 1866284, 2332855, 2666120, 3265997, 3732568, 4665710, 6531994, 9331420, 13063988, 16329985, 18662840, 26127976, 32659970, 65319940, 130639880]

約数ペア:

[(1, 130639880), (2, 65319940), (4, 32659970), (5, 26127976), (7, 18662840), (8, 16329985), (10, 13063988), (14, 9331420), (20, 6531994), (28, 4665710), (35, 3732568), (40, 3265997), (49, 2666120), (56, 2332855), (70, 1866284), (98, 1333060), (140, 933142), (196, 666530), (245, 533224), (280, 466571), (392, 333265), (490, 266612), (980, 133306), (1960, 66653)]