128636620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54049}}^1$

素因数の和:54082

約数の個数: 48

約数和(自身を含む): 326894400

約数和(自身を除く): 198257780

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 54049, 108098, 216196, 270245, 378343, 540490, 756686, 918833, 1080980, 1513372, 1837666, 1891715, 3675332, 3783430, 4594165, 6431831, 7566860, 9188330, 12863662, 18376660, 25727324, 32159155, 64318310, 128636620]

約数ペア:

[(1, 128636620), (2, 64318310), (4, 32159155), (5, 25727324), (7, 18376660), (10, 12863662), (14, 9188330), (17, 7566860), (20, 6431831), (28, 4594165), (34, 3783430), (35, 3675332), (68, 1891715), (70, 1837666), (85, 1513372), (119, 1080980), (140, 918833), (170, 756686), (238, 540490), (340, 378343), (476, 270245), (595, 216196), (1190, 108098), (2380, 54049)]