288567980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{1279}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 628992000

約数和(自身を除く): 340424020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 389, 580, 778, 1279, 1556, 1945, 2558, 3890, 5116, 6395, 7780, 11281, 12790, 22562, 25580, 37091, 45124, 56405, 74182, 112810, 148364, 185455, 225620, 370910, 497531, 741820, 995062, 1990124, 2487655, 4975310, 9950620, 14428399, 28856798, 57713596, 72141995, 144283990, 288567980]

約数ペア:

[(1, 288567980), (2, 144283990), (4, 72141995), (5, 57713596), (10, 28856798), (20, 14428399), (29, 9950620), (58, 4975310), (116, 2487655), (145, 1990124), (290, 995062), (389, 741820), (580, 497531), (778, 370910), (1279, 225620), (1556, 185455), (1945, 148364), (2558, 112810), (3890, 74182), (5116, 56405), (6395, 45124), (7780, 37091), (11281, 25580), (12790, 22562)]