1440996860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71549}}^1$

素因数の和:71630

約数の個数: 48

約数和(自身を含む): 3245508000

約数和(自身を除く): 1804511140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 71549, 143098, 286196, 357745, 715490, 1359431, 1430980, 2718862, 3792097, 5437724, 6797155, 7584194, 13594310, 15168388, 18960485, 27188620, 37920970, 72049843, 75841940, 144099686, 288199372, 360249215, 720498430, 1440996860]

約数ペア:

[(1, 1440996860), (2, 720498430), (4, 360249215), (5, 288199372), (10, 144099686), (19, 75841940), (20, 72049843), (38, 37920970), (53, 27188620), (76, 18960485), (95, 15168388), (106, 13594310), (190, 7584194), (212, 6797155), (265, 5437724), (380, 3792097), (530, 2718862), (1007, 1430980), (1060, 1359431), (2014, 715490), (4028, 357745), (5035, 286196), (10070, 143098), (20140, 71549)]