189826840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{677953}}^1$

素因数の和:677971

約数の個数: 32

約数和(自身を含む): 488126880

約数和(自身を除く): 298300040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 677953, 1355906, 2711812, 3389765, 4745671, 5423624, 6779530, 9491342, 13559060, 18982684, 23728355, 27118120, 37965368, 47456710, 94913420, 189826840]

約数ペア:

[(1, 189826840), (2, 94913420), (4, 47456710), (5, 37965368), (7, 27118120), (8, 23728355), (10, 18982684), (14, 13559060), (20, 9491342), (28, 6779530), (35, 5423624), (40, 4745671), (56, 3389765), (70, 2711812), (140, 1355906), (280, 677953)]