128976620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379343}}^1$

素因数の和:379369

約数の個数: 24

約数和(自身を含む): 286784064

約数和(自身を除く): 157807444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 379343, 758686, 1517372, 1896715, 3793430, 6448831, 7586860, 12897662, 25795324, 32244155, 64488310, 128976620]

約数ペア:

[(1, 128976620), (2, 64488310), (4, 32244155), (5, 25795324), (10, 12897662), (17, 7586860), (20, 6448831), (34, 3793430), (68, 1896715), (85, 1517372), (170, 758686), (340, 379343)]