1551145540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{31387}}^1$

素因数の和:31756

約数の個数: 48

約数和(自身を含む): 3733414272

約数和(自身を除く): 2182268732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 12355, 24710, 31387, 49420, 62774, 125548, 156935, 219709, 313870, 439418, 627740, 878836, 1098545, 2197090, 4394180, 11079611, 22159222, 44318444, 55398055, 77557277, 110796110, 155114554, 221592220, 310229108, 387786385, 775572770, 1551145540]

約数ペア:

[(1, 1551145540), (2, 775572770), (4, 387786385), (5, 310229108), (7, 221592220), (10, 155114554), (14, 110796110), (20, 77557277), (28, 55398055), (35, 44318444), (70, 22159222), (140, 11079611), (353, 4394180), (706, 2197090), (1412, 1098545), (1765, 878836), (2471, 627740), (3530, 439418), (4942, 313870), (7060, 219709), (9884, 156935), (12355, 125548), (24710, 62774), (31387, 49420)]