138815540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{733}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 309636432

約数和(自身を除く): 170820892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 557, 733, 1114, 1466, 2228, 2785, 2932, 3665, 5570, 7330, 9469, 11140, 12461, 14660, 18938, 24922, 37876, 47345, 49844, 62305, 94690, 124610, 189380, 249220, 408281, 816562, 1633124, 2041405, 4082810, 6940777, 8165620, 13881554, 27763108, 34703885, 69407770, 138815540]

約数ペア:

[(1, 138815540), (2, 69407770), (4, 34703885), (5, 27763108), (10, 13881554), (17, 8165620), (20, 6940777), (34, 4082810), (68, 2041405), (85, 1633124), (170, 816562), (340, 408281), (557, 249220), (733, 189380), (1114, 124610), (1466, 94690), (2228, 62305), (2785, 49844), (2932, 47345), (3665, 37876), (5570, 24922), (7330, 18938), (9469, 14660), (11140, 12461)]