55324780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2843}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 133781760

約数和(自身を除く): 78456980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2843, 3892, 4865, 5686, 9730, 11372, 14215, 19460, 19901, 28430, 39802, 56860, 79604, 99505, 199010, 395177, 398020, 790354, 1580708, 1975885, 2766239, 3951770, 5532478, 7903540, 11064956, 13831195, 27662390, 55324780]

約数ペア:

[(1, 55324780), (2, 27662390), (4, 13831195), (5, 11064956), (7, 7903540), (10, 5532478), (14, 3951770), (20, 2766239), (28, 1975885), (35, 1580708), (70, 790354), (139, 398020), (140, 395177), (278, 199010), (556, 99505), (695, 79604), (973, 56860), (1390, 39802), (1946, 28430), (2780, 19901), (2843, 19460), (3892, 14215), (4865, 11372), (5686, 9730)]